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

To protect wiring from excessive passing of current is

A. voltmeter

B. fuse

C. galvanometer

D. resistanc
by

1 Answer

Answer :

fuse
by

Related questions

A galvanometer is an instrument used to measure ___________. A. thickness of galvanized metal B. resistance of electrical wiring insulation C. very small amounts of current or voltage D. quantity of galvans in an electric circuit

Description : A galvanometer is an instrument used to measure ___________. A. thickness of galvanized metal B. resistance of electrical wiring insulation C. very small amounts of current or voltage D. quantity of galvans in an electric circuit

Last Answer : Answer: C

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.

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 

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

Description : 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

Last Answer : ANSWER: W -- HIGH RESISTANCE IN SERIES

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

The main function of a fuse is to (a) protect the line (b) open the circuit (c) protect the appliance (d) prevent excessive currents (e) none of the above

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Last Answer : (d) prevent excessive currents

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

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A current carrying conductor making an electrical contact with a wiring metal conduit is indicated by a _____________. A. low switchboard wattmeter reading B. reading of 1.0 on the power factor meter C. high switchboard voltmeter reading D. totally darkened switchboard ground-detecting light

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Last Answer : Answer: D

The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division on passing a current of `4xx 10 ^(-4

Description : The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division on passing a current of `4xx 10 ^(-4

Last Answer : The scale of a galvanometer of resistance `100 ohms` contains 25 divisions. It gives a defelction of one division ... is A. 150 B. 170 C. 110 D. 220

The current I passing through the galvanometer coil is related to the angle of deflection θ as a) I ∝ θ b) I 1/∝ θ c) I ∝ θ 2 d) I 1/∝ θ 2

Description : The current I passing through the galvanometer coil is related to the angle of deflection θ as a) I ∝ θ b) I 1/∝ θ c) I ∝ θ 2 d) I 1/∝ θ 2

Last Answer : a) I ∝ θ

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

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

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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

In the illustrated motor controller, the motor fails to start. A voltmeter reading between 1 and 6 reads line voltage, while the voltmeter reading between 2 and 6 reads 0 VAC. The problem is __________. EL-0007 A. the control fuse is the wrong amperage not allowing full current to pass through B. the stop switch is open C. an open in the 'M' coil, 'Ma' contact/start switch or overload contacts D. fuse '10a' is blown

Description : In the illustrated motor controller, the motor fails to start. A voltmeter reading between 1 and 6 reads line voltage, while the voltmeter reading between 2 and 6 reads 0 VAC. The problem is __________. EL- ... in the 'M' coil, 'Ma' contact/start switch or overload contacts D. fuse '10a' is blown

Last Answer : Answer: B

What is the function of a fuse wire? (a) To prevent an unduly high electric current from passing through a circuit (b) To increase the current supply (c) To decrease the current supply (d) To stabilise the voltage

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Two uniform wires `A` and `B` are of the same total metal and have equal masses. The radius of wire `A` is twice that of wire `B`. The total resistanc

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A wire of resistanc e`9Omega` is broken in two parts. The length ratio being `1:2`. The two pieces are connected in parallel. The net resistance will

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If the motor fails to start and a voltmeter reading between 1 and 6, as illustrated, indicates line voltage, your next step should be to ________. EL-0007 A. replace fuse '10a' B. replace or repair contact 'Ma' C. reset and determine the cause of the overload D. check line voltage between L1 and L3

Description : If the motor fails to start and a voltmeter reading between 1 and 6, as illustrated, indicates line voltage, your next step should be to ________. EL-0007 A. replace fuse '10a' B. replace or repair contact 'Ma' C. reset and determine the cause of the overload D. check line voltage between L1 and L3

Last Answer : Answer: C

Using a fuse whose rating is higher than necessary ________. A. endangers the apparatus it is supposed to protect B. reduces the possibility of short circuits C. increases the efficiency of the equipment by allowing more current to be used D. wastes money because they are more expensive

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Water cannot be used to extinguish fire caused by electric current, because – (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring

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Last Answer : (1) it may cause electrocution Explanation: Using water for putting out electric fires is risky, as the firemen can be electrocuted by the water jet. Water is a good conductor of ... jet directly into the hands of the person who is holding the waterhose, resulting in immediate electrocution

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Give an example of a device you could protect with each type of time delay fuse.

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Which instrument is used to measure depth of ocean? (1) Galvanometer (2) Fluxmeter (3) Endoscope (4) Fathometer

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In a moving coil galvanometer, the deflection of the coil q is related to the electrical current i by the relation

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A galvanometer having resistance of `50 Omega` requires a current of `100 Omega A` to given full scale deflection. How much resistance is required to

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A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10-divisions per milliampere and voltage sensitivity is 2 divisions per

Description : A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10-divisions per milliampere and voltage sensitivity is 2 divisions per

Last Answer : A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10-divisions per milliampere and voltage ... `10^(3)` D. `10^(5)`

To send 10% of the main current through a moving coil galvanometer of resistance `99omega`, the shunt required is –

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Last Answer : To send 10% of the main current through a moving coil galvanometer of resistance `99omega`, the shunt ... `11Omega` C. `10Omega` D. `9.9Omega`

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Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

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Description : Instruments of Measure The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Last Answer : ANSWER: A

The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

Description : The device used ' for the measurement of current, voltage and resistance is: A. AVO meter B. Galvanometer C. Ammeter D. Ohm meter

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A galvanometer with 20 ohms coil resistence has a full-scale deflection of 10 mA. A 0.02 ohm is placed across the meter to increase its rating capacity. What is the new full scale current for the meter?

Description : A galvanometer with 20 ohms coil resistence has a full-scale deflection of 10 mA. A 0.02 ohm is placed across the meter to increase its rating capacity. What is the new full scale current for the meter?

Last Answer : False.