To convert a galvanometer to a voltmeter, you should add a: w) high resistance in series x) high resistance in parallel y) low resistance in series z) low resistance in parallel

To convert a galvanometer to a voltmeter, you should add a: w) high resistance in series x) high resistance in parallel y) low resistance in series z) low resistance in parallel
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ANSWER: W -- HIGH RESISTANCE IN SERIES
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Which one of the following is the way in which a galvanometer is converted into a voltmeter? Is it by connecting: w) a high resistance coil in parallel with its moveable coil x) a low resistance coil in parallel with its moveable coil y) a high resistance coil in series with its moveable coil z) a low resistance coil in series with its moveable coil

Description : Which one of the following is the way in which a galvanometer is converted into a voltmeter? Is it by connecting: w) a high resistance coil in parallel with its moveable coil x) a low resistance ... coil in series with its moveable coil z) a low resistance coil in series with its moveable coil 

Last Answer : ANSWER: Y -- A HIGH RESISTANCE COIL IN SERIES WITH ITS MOVEABLE COIL 

A galvanometer can be converted to a voltmeter by connecting – (1) a high resistance in parallel (2) a high resistance in series (3) a low resistance in series (4) a low resistance in parallel

Description : A galvanometer can be converted to a voltmeter by connecting – (1) a high resistance in parallel (2) a high resistance in series (3) a low resistance in series (4) a low resistance in parallel

Last Answer : (2) a high resistance in series Explanation: In order to convert a Galvanometer into voltmeter, a very high resistance known as "series resistance" is connected in series with the ... made for enabling the galvanometer to measure the potential difference across any component in a circuit.

A galvanometer can be converted into a voltmeter by connecting with it a – (1) high resistance in parallel (2) low resistance on parallel (3) high resistance on series (4) low resistance in series

Description : A galvanometer can be converted into a voltmeter by connecting with it a – (1) high resistance in parallel (2) low resistance on parallel (3) high resistance on series (4) low resistance in series

Last Answer : (3) high resistance on series Explanation: In order to convert a Galvanometer into voltmeter, a very high resistance known as "series resistance" is connected in series with the galvanometer ... made for enabling the galvanometer to measure the potential difference across any component in a circuit.

A galvanometer can be converted to a voltmeter by connecting (1) a high resistance in parallel (2) a high resistance in series (3) a low resistance in series (4) a low resistance in parallel

Description : A galvanometer can be converted to a voltmeter by connecting (1) a high resistance in parallel (2) a high resistance in series (3) a low resistance in series (4) a low resistance in parallel

Last Answer : a high resistance in series

A galvanometer can be converted into a voltmeter by connecting with it a (1) high resistance in parallel (2) low resistance on parallel (3) high resistance on series (4) low resistance in series

Description : A galvanometer can be converted into a voltmeter by connecting with it a (1) high resistance in parallel (2) low resistance on parallel (3) high resistance on series (4) low resistance in series

Last Answer : high resistance on series

A galvanometer having internal resistance `10 Omega` required `0.01` A for a full scale deflection. To convert this galvanometer to a voltmeter of ful

Description : A galvanometer having internal resistance `10 Omega` required `0.01` A for a full scale deflection. To convert this galvanometer to a voltmeter of ful

Last Answer : A galvanometer having internal resistance `10 Omega` required `0.01` A for a full scale deflection. ... Omega` in series D. `12010 Omega` in parallel

Desirable resistance of a ________ is achieved by connecting a high resistance Rh in series with a galvanometer a) Ammeter b) Ohmmeter c) LED d) Voltmeter

Description : Desirable resistance of a ________ is achieved by connecting a high resistance Rh in series with a galvanometer a) Ammeter b) Ohmmeter c) LED d) Voltmeter

Last Answer : d) Voltmeter

Which one of the following is the advantage of connecting two dry cells in parallel instead of in series? Is it because the parallel arrangement: w) gives twice the EMF of one dry cell x) has no internal resistance y) generates heat in an external circuit half as fast as would a single cell z) has half the internal resistance of a single cell

Description : Which one of the following is the advantage of connecting two dry cells in parallel instead of in series? Is it because the parallel arrangement: w) gives twice the EMF of one dry cell x) has no ... circuit half as fast as would a single cell z) has half the internal resistance of a single cell

Last Answer : ANSWER: Z -- HAS HALF THE INTERNAL RESISTANCE OF A SINGLE CELL 

A circuit has a resistance of 200 ohms. The resistance of the circuit can be reduced to 120 ohms by adding which of the following to the circuit. w) 80 ohm resistor in series x) 150 ohm resistor in parallel y) 240 ohm resistor in series z) 300 ohm resistor in parallel

Description : A circuit has a resistance of 200 ohms. The resistance of the circuit can be reduced to 120 ohms by adding which of the following to the circuit. w) 80 ohm resistor in series x) 150 ohm resistor in parallel y) 240 ohm resistor in series z) 300 ohm resistor in parallel

Last Answer : ANSWER: Z -- 300 OHM RESISTOR IN PARALLEL

To limit the current flow through a DC voltmeter to as low a value as possible, the moving coil circuit is provided with a/an _____________. A. high series resistance B. high parallel resistance C. series inductor D. external shunt

Description : To limit the current flow through a DC voltmeter to as low a value as possible, the moving coil circuit is provided with a/an _____________. A. high series resistance B. high parallel resistance C. series inductor D. external shunt

Last Answer : Answer: A

Which one of the following is the name of a device used to measure voltage without drawing ANY current from the circuit being measured? Is it: w) a wattmeter x) a galvanometer y) an ammeter z) a potentiometer

Description : Which one of the following is the name of a device used to measure voltage without drawing ANY current from the circuit being measured? Is it: w) a wattmeter x) a galvanometer y) an ammeter z) a potentiometer

Last Answer : ANSWER: Z -- A POTENTIOMETER

A galvanometer has a coil of resistance `100 Omega` and gives a full-scale deflection for `30 mA` current. If it is to work as a voltmeter of `30 V` r

Description : A galvanometer has a coil of resistance `100 Omega` and gives a full-scale deflection for `30 mA` current. If it is to work as a voltmeter of `30 V` r

Last Answer : A galvanometer has a coil of resistance `100 Omega` and gives a full-scale deflection for `30 mA` current. ... Omega` C. `1000 Omega` D. `1800 Omega`

Which of the following instruments should never have their test leads connected directly to a wall outlet: w) ammeter x) voltmeter y) oscilloscope z) frequency counter

Description : Which of the following instruments should never have their test leads connected directly to a wall outlet: w) ammeter x) voltmeter y) oscilloscope z) frequency counter

Last Answer : ANSWER: W -- AMMETER

Calculate the series resistance needed to convert a D' Arsonval meter with FSD of 100uA and a meter resistance of 1kohm to a voltmeter with 10V FSD.

Description : Calculate the series resistance needed to convert a D' Arsonval meter with FSD of 100uA and a meter resistance of 1kohm to a voltmeter with 10V FSD.

Last Answer : Rs=10V/100uA - 1kohm = 99kohm

To protect wiring from excessive passing of current is A. voltmeter B. fuse C. galvanometer D. resistanc

Description : To protect wiring from excessive passing of current is A. voltmeter B. fuse C. galvanometer D. resistanc

Last Answer : fuse

Which is NOT a characteristic of a series circuit? w) The current is the same throughout. x) The total resistance is the sum of the individual resistance. y) The voltage of the source equals the sum of the circuit's individual voltage drops. z) The total resistance is the sum of the reciprocals of the individual resistances.

Description : Which is NOT a characteristic of a series circuit? w) The current is the same throughout. x) The total resistance is the sum of the individual resistance. y) The voltage of the source ... individual voltage drops. z) The total resistance is the sum of the reciprocals of the individual resistances.

Last Answer : ANSWER: Z -- THE TOTAL RESISTANCE IS THE SUM OF THE RECIPROCALS OF THE RECIPROCAL OF THE INDIVIDUAL RESISTANCES.

A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side, its resistance as measured on the low side would be: w) 25 ohms x) 50 ohms y) 100 ohms z) 400 ohms

Description : A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side, its resistance as measured on the low side would be: w) 25 ohms x) 50 ohms y) 100 ohms z) 400 ohms

Last Answer : ANSWER: W -- 25 OHMS

By mistake, a voltmeter is connected in series and an ammeter is connected in parallel, with a resistance in an electrical circuit. What will happen t

Description : By mistake, a voltmeter is connected in series and an ammeter is connected in parallel, with a resistance in an electrical circuit. What will happen t

Last Answer : By mistake, a voltmeter is connected in series and an ammeter is connected in parallel, with a ... be damaged D. Only the voltmeter will be damaged

A resistance in a circuit of unknown value is to be tested using the voltmeter/ammeter method. Therefore, the meters should be connected with _____________. A. both meters in series with the resistance B. both meters in parallel with the resistance C. the ammeter in series and the voltmeter in parallel with the resistance D. the ammeter in parallel and the voltmeter in series with the resistance

Description : A resistance in a circuit of unknown value is to be tested using the voltmeter/ammeter method. Therefore, the meters should be connected with _____________. A. both meters in series with the ... parallel with the resistance D. the ammeter in parallel and the voltmeter in series with the resistance

Last Answer : Answer: C

A galvanometer of 65 Ω resistance gives full scale deflection with 4 mA current. In order to convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be a) 0.1 Ω b) 0.2 Ω c) 0.06 Ω d) 0.03 Ω

Description : A galvanometer of 65 Ω resistance gives full scale deflection with 4 mA current. In order to convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be a) 0.1 Ω b) 0.2 Ω c) 0.06 Ω d) 0.03 Ω

Last Answer : d) 0.03 Ω

Which of the following are the parts of a DC generator that convert the AC in the armature to DC in the external circuit. Are these parts the: w) field poles x) slip rings and the brushes y) commutator and the brushes z) armature and the core

Description : Which of the following are the parts of a DC generator that convert the AC in the armature to DC in the external circuit. Are these parts the: w) field poles x) slip rings and the brushes y) commutator and the brushes z) armature and the core

Last Answer : ANSWER: Y -- COMMUTATOR AND THE BRUSHES

The basic meter movement responds to the flow of current through its coil. Therefore, this meter movement may be used as a/an _____________. A. voltmeter by placing a resistance in parallel with the coil B. ohmmeter by placing another meter movement in parallel with the coil C. wattmeter by placing a battery in parallel with the coil D. ammeter by placing a low resistance in parallel with the coil

Description : The basic meter movement responds to the flow of current through its coil. Therefore, this meter movement may be used as a/an _____________. A. voltmeter by placing a resistance in parallel with the ... in parallel with the coil D. ammeter by placing a low resistance in parallel with the coil

Last Answer : Answer: D

A COPPER strip is placed in one compartment of a voltaic cell and a wire connects this strip to a piece of metal in the other compartment through a voltmeter. If the voltmeter reads zero, the other piece of metal is: w) zinc x) mercury y) silver z) copper

Description : A COPPER strip is placed in one compartment of a voltaic cell and a wire connects this strip to a piece of metal in the other compartment through a voltmeter. If the voltmeter reads zero, the other piece of metal is: w) zinc x) mercury y) silver z) copper

Last Answer : ANSWER: Z -- COPPER

A galvanometer having a resistance of 4.5 Ω can read up to 5 mA. If it is to read 100 V, then the high resistance to be used in series will be a) 19998 Ω b) 19995.8 Ω c) 19995.5 Ω d) 19996.5 Ω

Description : A galvanometer having a resistance of 4.5 Ω can read up to 5 mA. If it is to read 100 V, then the high resistance to be used in series will be a) 19998 Ω b) 19995.8 Ω c) 19995.5 Ω d) 19996.5 Ω

Last Answer : c) 19995.5

A capacitor and a coil are connected in series. The capacitor is charged and allowed to discharge through the coil. The current that will then flow through the capacitor-coil combination will do one of the following things. Will it: w) flow in one direction, beginning at a maximum and decreasing rapidly to zero x) oscillate indefinitely y) oscillate but diminish steadily to zero z) oscillate at high frequency at first but then at slower frequency

Description : A capacitor and a coil are connected in series. The capacitor is charged and allowed to discharge through the coil. The current that will then flow through the capacitor-coil combination will do ... but diminish steadily to zero z) oscillate at high frequency at first but then at slower frequency  

Last Answer : ANSWER: Y -- OSCILLATE BUT DIMINISH STEADILY TO ZERO

What is the name of the device used to convert alternating cur-rent into direct current? (1) Amreter (2) Galvanometer (3) Rectifier (4) Transformer

Description : What is the name of the device used to convert alternating cur-rent into direct current? (1) Amreter (2) Galvanometer (3) Rectifier (4) Transformer

Last Answer : (3) Rectifier Explanation: A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction. The process is known as rectification.

What is the name of the device used to convert alternating current into direct current ? (1) Ammeter (2) Galvanometer (3) Rectifier (4) Transformer

Description : What is the name of the device used to convert alternating current into direct current ? (1) Ammeter (2) Galvanometer (3) Rectifier (4) Transformer

Last Answer : Rectifier

Instrument used to find the source of seismic waves is known as a) seismometer b) voltmeter c) galvanometer d) ammeter

Description : Instrument used to find the source of seismic waves is known as a) seismometer b) voltmeter c) galvanometer d) ammeter

Last Answer : a) seismometer

An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument

Description : An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument will produce a full scale deflection when the current passed through it is  (a) 10 mA (b) 20 mA (c) 50 mA (d) 100 μA

Last Answer : An analog voltmeter has a sensitivity of 10kΩ/volt. The galvanometer used in constructing the instrument will produce a full scale deflection when the current passed through it is 100 μA

Voltmeter is a galvanometer with _____.

Last Answer : Voltmeter is a galvanometer with high resistance

For a parallel connection of light bulbs, which of the following statements is correct? w) The resistance of each light bulb must be the same. x) If one goes out they all go out. y) Each of the light bulbs operates independently.

Description : For a parallel connection of light bulbs, which of the following statements is correct? w) The resistance of each light bulb must be the same. x) If one goes out they all go out. y) Each of the light bulbs operates independently.

Last Answer : ANSWER: Y -- EACH OF THE LIGHT BULBS OPERATES INDEPENDENTLY.

A resistor of value R/2 is connected in parallel with a resistor of value R/3. The voltage drop across the parallel combination is V. The total current supplied by the voltage source is: w) 2 V/R (read: 2 V over R) x) 3 V/R (read: 3 V over R) y) 4 V/R (read: 4 V over R) z) 5 V/R (read: 5 V over R)

Description : A resistor of value R/2 is connected in parallel with a resistor of value R/3. The voltage drop across the parallel combination is V. The total current supplied by the voltage source is: w) 2 V/R (read: 2 V over R) x) 3 V/R (read: 3 V over R) y) 4 V/R (read: 4 V over R) z) 5 V/R (read: 5 V over R)

Last Answer : ANSWER: Z -- 5 V/R

The length of both sides of a square parallel plate capacitor are doubled. The capacitance is: w) halved x) the same y) doubled z) quadrupled

Description : The length of both sides of a square parallel plate capacitor are doubled. The capacitance is: w) halved x) the same y) doubled z) quadrupled

Last Answer : ANSWER: Z -- QUADRUPLED

Two identical resistors are connected in parallel and consume 200 watts together. A third identical resistor is added in parallel. The total power consumed is: w) 100 watts x) 200 watts y) 300 watts z) 400 watts

Description : Two identical resistors are connected in parallel and consume 200 watts together. A third identical resistor is added in parallel. The total power consumed is: w) 100 watts x) 200 watts y) 300 watts z) 400 watts

Last Answer : ANSWER: Y -- 300 WATTS

A 10 ohm and a 20 ohm resistor are connected in parallel to a current source. What fraction of the current flows through the 20 ohm resistor? w) 1/2 x) 1/3 y) 2/3 z) 3/4

Description : A 10 ohm and a 20 ohm resistor are connected in parallel to a current source. What fraction of the current flows through the 20 ohm resistor? w) 1/2 x) 1/3 y) 2/3 z) 3/4

Last Answer : ANSWER: X -- 1/3

A 20 ohm resistor and a 60 ohm resistor are connected in parallel to a voltage source. If the current in the 60 ohm resistor is one ampere, the current in the 20 ohm resistor will be: w) 1/3 ampere x) 2/3 ampere y) 1 ampere z) 3 amperes

Description : A 20 ohm resistor and a 60 ohm resistor are connected in parallel to a voltage source. If the current in the 60 ohm resistor is one ampere, the current in the 20 ohm resistor will be: w) 1/3 ampere x) 2/3 ampere y) 1 ampere z) 3 amperes

Last Answer : ANSWER: Z -- 3 AMPERES

For a point charge to feel a net force in a homogeneous magnetic field, which one of the following statements is true? The charge must: w) move parallel to the magnetic lines of flux x) have a component of its motion perpendicular to the lines of flux y) be stationary z) be a positive charge

Description : For a point charge to feel a net force in a homogeneous magnetic field, which one of the following statements is true? The charge must: w) move parallel to the magnetic lines of flux x) have a component of its motion perpendicular to the lines of flux y) be stationary z) be a positive charge

Last Answer : ANSWER: X -- HAVE A COMPONENT OF ITS MOTION PERPENDICULAR TO THE LINES OF FLUX 

Which of the following phrases completes the following statement: The strength of the electric field between two oppositely charged parallel plates is: w) a maximum midway between the plates x) a maximum near the positively charged plate y) constant between the plates except near the edges z) zero midway between the plates

Description : Which of the following phrases completes the following statement: The strength of the electric field between two oppositely charged parallel plates is: w) a maximum midway between the plates x) a maximum ... plate y) constant between the plates except near the edges z) zero midway between the plates

Last Answer : ANSWER: Y -- CONSTANT BETWEEN THE PLATES EXCEPT NEAR THE EDGES

The force on a charged particle moving parallel to magnetic field lines is: w) in the direction of the field x) zero y) perpendicular to the field z) in the opposite direction of the field

Description : The force on a charged particle moving parallel to magnetic field lines is: w) in the direction of the field x) zero y) perpendicular to the field z) in the opposite direction of the field

Last Answer : ANSWER: X -- ZERO

Two parallel wires carrying currents in opposite directions will: w) attract each other x) repel each other y) cause an electric arc to form z) not affect each other

Description : Two parallel wires carrying currents in opposite directions will: w) attract each other x) repel each other y) cause an electric arc to form z) not affect each other

Last Answer : ANSWER: X -- REPEL EACH OTHER

An incident ray comes in parallel to the principle axis of a concave mirror. Is it reflected: w) back along the incident ray x) at 30 degrees to incident ray y) through the focal point z) through the center of curvature

Description : An incident ray comes in parallel to the principle axis of a concave mirror. Is it reflected: w) back along the incident ray x) at 30 degrees to incident ray y) through the focal point z) through the center of curvature

Last Answer : ANSWER: Y -- THROUGH THE FOCAL POINT 

A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is: w) zero x) parallel to the direction of the satellite's instantaneous velocity y) perpendicular to the direction of the satellite's instantaneous velocity z) none of the above

Description : A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is: w) zero x) parallel to the direction of the satellite ... velocity y) perpendicular to the direction of the satellite's instantaneous velocity z) none of the above

Last Answer : ANSWER: Y -- PERPENDICULAR TO THE INSTANTANEOUS DIRECTION OF THE SATTELITE’S VELOCITY

As a longitudinal wave moves through a medium, the particles of the medium: w) vibrate in a path parallel to the path of the wave x) vibrate in a path perpendicular to the path of the wave y) follow the wave along its entire path z) do not move

Description : As a longitudinal wave moves through a medium, the particles of the medium: w) vibrate in a path parallel to the path of the wave x) vibrate in a path perpendicular to the path of the wave y) follow the wave along its entire path z) do not move

Last Answer : ANSWER: W -- VIBRATE IN A PATH PARALLEL TO THE PATH OF THE WAVE  

A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero

Description : A constant potential difference is applied across the plates of a parallel-plate capacitor. Neglecting any edge effects, the electric field inside the capacitor is: w) constant x) varying as one over r squared y) decreasing as one moves from the positive to the negative plate z) zero

Last Answer : ANSWER: W -- CONSTANT

For a parallel-plate capacitor with plate area "A" and plate separation "d", the capacitance is proportional to which of the following? w) A divided by d squared x) A times d y) A divided by d z) d divided by A

Description : For a parallel-plate capacitor with plate area "A" and plate separation "d", the capacitance is proportional to which of the following? w) A divided by d squared x) A times d y) A divided by d z) d divided by A

Last Answer : ANSWER: Y -- A DIVIDED BY D

For an infinite sheet of positive charge, the electric field lines: w) run parallel to the sheet of charge x) are perpendicular to the sheet of charge and point in toward the sheet y) are perpendicular to the sheet of charge and point away from the sheet z) fall off as one over r squared

Description : For an infinite sheet of positive charge, the electric field lines: w) run parallel to the sheet of charge x) are perpendicular to the sheet of charge and point in toward the sheet y) are perpendicular to the sheet of charge and point away from the sheet z) fall off as one over r squared

Last Answer : ANSWER: Y -- ARE PERPENDICULAR TO THE SHEET OF CHARGE AND POINT AWAY  

The range of voltmeter is 10 V and its internal resistance is `50 Omega`. To convert it to voltmeter of range 15 V, how much resistance is to be added

Description : The range of voltmeter is 10 V and its internal resistance is `50 Omega`. To convert it to voltmeter of range 15 V, how much resistance is to be added

Last Answer : The range of voltmeter is 10 V and its internal resistance is `50 Omega`. To convert it to ... in parallel D. Add `125 Omega` resistor in series

A galvanometer of resistance `50 Omega` is connected to a battery of 8 V along with a resistance of `3950 Omega` in series. A full scale deflection of

Description : A galvanometer of resistance `50 Omega` is connected to a battery of 8 V along with a resistance of `3950 Omega` in series. A full scale deflection of

Last Answer : A galvanometer of resistance `50 Omega` is connected to a battery of 8 V along with a resistance of `3950 Omega ... `. A. 1950 B. 7900 C. 2000 D. 7950

When a resistance of 100`Omega` is connected in series with a galvanometer of resistance R, then its range is V. To double its range, a resistance of

Description : When a resistance of 100`Omega` is connected in series with a galvanometer of resistance R, then its range is V. To double its range, a resistance of

Last Answer : When a resistance of 100`Omega` is connected in series with a galvanometer of resistance R, then its range ... 800`Omega` C. 900`Omega` D. 100`Omega`

A galvanometer of resistance `50 Omega ` is connected to a battery of `3 V` along with resistance of `2950 Omega` in series. A full scale deflection o

Description : A galvanometer of resistance `50 Omega ` is connected to a battery of `3 V` along with resistance of `2950 Omega` in series. A full scale deflection o

Last Answer : A galvanometer of resistance `50 Omega ` is connected to a battery of `3 V` along with resistance of `2950 ... `Omega` C. 5550 `Omega` D. 6050 `Omega`