In order to increase the range of a voltmeter

In order to increase the range of a voltmeter
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In order to increase the range of a voltmeter a high resistance is connected in series

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A digital voltmeter has a read-out range from 0 to 9999 counts. When full scale reading is 9.999 V, the

Description : A digital voltmeter has a read-out range from 0 to 9999 counts. When full scale reading is 9.999 V, the resolution of the instrument will be (a) 100 mV (b) 99 mV (c) 9 mV (d) 1 mV 

Last Answer : d) 1mV 9.999v÷9999v

Range of a voltmeter can be extended by connecting a

Description : Range of a voltmeter can be extended by connecting a

Last Answer : Range of a voltmeter can be extended by connecting a Multiplier in series

In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Description : In order to increase its range of measurement, a resistance would be placed in series with which of the following instruments? A. DC voltmeter B. DC ammeter C. frequency meter D. power factor meter

Last Answer : Answer: A

In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of

Description :  In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of 1% full scale reading, the percentage limiting error is   (A) 1.810% (B) 0.181% (C)12.45% (D) 0.0018%

Last Answer :  In the case of an instrument reading of 8.3 V with a 0 to 150 voltmeter having a guaranteed accuracy of 1% full scale reading, the percentage limiting error is 12.45%

An accurate voltmeter must have an internal impedance of

Description : An accurate voltmeter must have an internal impedance of (A) very low value. (B) very high value (C) medium value. (D) zero Value

Last Answer : An accurate voltmeter must have an internal impedance of very high value

An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to

Description : An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to  (1) 1.414 times dc sensitivity (2) dc sensitivity (3) 0.9 times dc sensitivity (4) 0.707 times dc sensitivity

Last Answer : An ac voltmeter using full -wave rectification and having a sinusoidal input has an ac sensitivity equal to 0.9 times dc sensitivity

An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic

Description : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be  (1) unaffected (2) decreased (3) increased (4) either decreased or increased depending on the direction of the DC field

Last Answer : An unshielded moving iron voltmeter is used to measure the voltage in an AC circuit. The stray DC magnetic field having a component along the axis will be either decreased or increased depending on the direction of the DC field

Ryall crest voltmeter is used for measurement of

Last Answer : Ryall crest voltmeter is used for measurement of High AC voltage.

A 0 to 300V voltmeter has a guaranteed accuracy of 1% of full scale...

Description : A 0 to 300V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by the instrument is 83V. The percentage limiting error is

Last Answer : A 0 to 300V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by the instrument is 83V. The percentage limiting error is 4.85%.

If a DC voltmeter is made from an ammeter having a fed of 100μA then its sensitivity (in KΩ/V) will be

Last Answer :  If a DC voltmeter is made from an ammeter having a fed of 100μA then its sensitivity (in KΩ/V) will be 10.

The principle on which vector voltmeter is based is

Last Answer : The principle on which vector voltmeter is based is that it measures the amplitude of a single at two points and at the same time measures their phase difference

If a voltmeter is connected, like an ammeter in series to the load:

Last Answer : If a voltmeter is connected, like an ammeter in series to the load: Almost no current will flow in the circuit

A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when ...

Description : A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when used in a circuit under a standard conditions. The maximum possible percentage error in the reading is:

Last Answer : A 150 V moving iron voltmeter of accuracy class 1.0 reads 75 V when used in a circuit under a standard conditions. The maximum possible percentage error in the reading is:  2.0.

The multiplier and the meter coil in a voltmeter are in?

Last Answer : The multiplier and the meter coil in a voltmeter are in series.

can voltmeter measure resistance?

Last Answer : Voltmeter is used to measure voltage in a circuit.Ohmmeter is used to measure the resistance of a component in a circuit.

An ammeter has a current change of 0—5A and its internal resistance is 0.2 ohm. In order to Change the range

Description : An ammeter has a current change of 0-5A and its internal resistance is 0.2 ohm. In order to Change the range to 0-25 A, wear need to add a resistance of  A) 0.8 ohm in series with the meter B) ... series with the meter C) 0.04 ohm in parallel with the meter D) 0.05 ohm in parallel with the meter

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A voltmeter of range 2 V and resistance `300 Omega` cannot be converted into ammeter of range

Description : A voltmeter of range 2 V and resistance `300 Omega` cannot be converted into ammeter of range

Last Answer : A voltmeter of range 2 V and resistance `300 Omega` cannot be converted into ammeter of range A. `1 A` B. `1 mA` C. `100 mA` D. `10 mA`

A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be

Description : A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be

Last Answer : A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) ... 001` B. `0.01` C. 1 D. `0.05`

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

Why voltmeter range extension need?

Description : Why voltmeter range extension need?

Last Answer : Need answer

If the approximate voltage to be measured in a circuit is not known, you should _____________. A. use the lowest voltage range on the voltmeter B. connect the meter in series with the circuit C. only have to calibrate the meter before using it D. use the highest voltage range on the voltmeter

Description : If the approximate voltage to be measured in a circuit is not known, you should _____________. A. use the lowest voltage range on the voltmeter B. connect the meter in series with the circuit C. only have to calibrate the meter before using it D. use the highest voltage range on the voltmeter

Last Answer : Answer: D

On what range should you set the voltmeter prior to taking a voltage measurement?

Description : On what range should you set the voltmeter prior to taking a voltage measurement?

Last Answer : Highest.

Why should you always use the highest range when connecting a voltmeter to a circuit?

Description : Why should you always use the highest range when connecting a voltmeter to a circuit?

Last Answer : To prevent excess current through the meter movement.

Explain range extension for analog DC voltmeter.

Description : Explain range extension for analog DC voltmeter.

Last Answer : Explanation A DC voltmeter can be converted into a multirange voltmeter by connecting a number of resistors (multipliers) in series with the meter movement 

Draw the circuit diagram of multi range AC voltmeter and describe its working

Description : Draw the circuit diagram of multi range AC voltmeter and describe its working

Last Answer : The above circuit looks like a multi range AC voltmeter. We know that, we will get AC voltmeter just by placing rectifier in series (cascade) with DC voltmeter. The above circuit was created ... any two points of an electric circuit, by connecting the switch, S to the desired voltage range.

How range of A.C. ammeter & A.C. voltmeter is extended? Draw suitable diagram.

Description : How range of A.C. ammeter & A.C. voltmeter is extended? Draw suitable diagram.

Last Answer : Extension of A.C. Ammeter Range: The range of a.c. ammeter can be extended by using CT, the arrangement is shown in figure. The CT is current transformer having less number of primary turns carrying high ... high magnitude of source voltage. In this way range of a.c. voltmeter can be extended.

A dc voltmeter has a sensitivity of 1000 Ohm/V. When it measures half full scale in 100 V range, the current ...

Description : A dc voltmeter has a sensitivity of 1000 Ohm/V. When it measures half full scale in 100 V range, the current through the voltmeter is

Last Answer : A dc voltmeter has a sensitivity of 1000 Ohm/V. When it measures half full scale in 100 V range, the current through the voltmeter is 1 mA.

The measurement range of an ammeter can be increased by using a:

Description : The measurement range of an ammeter can be increased by using a:

Last Answer : The measurement range of an ammeter can be increased by using a: low resistance in shunt

The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm

Description : The bridge most suited for measurement of a four-terminal resistance in the range of 0.001 Ohm to 0.1 Ohm (A) Wien’s bridge (B) Kelvin double bridge (C) Maxwell’s bridge (D) Shering Bridge

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A DVM has a 3 1/2 digit display. The 1 volt range can read upon

Description : A DVM has a 3 1/2 digit display. The 1 volt range can read upon

Last Answer : A DVM has a 3 1/2 digit display. The 1 volt range can read upon 1.999.

Two voltmeters have the same range 0-400V. The internal impedance ...

Description : Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are

Last Answer : Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are 360V and 240V.

If the instrument is to have a wide range, the instrument should have

Last Answer : If the instrument is to have a wide range, the instrument should have Logarithmic scale.

An instrument transformer is used to extend the range of

Last Answer : An instrument transformer is used to extend the range of induction instrument.

In order to check the performance of a transistor removed from its circuit, the instrument to be used should be a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. sensitive potentiometer

Description : In order to check the performance of a transistor removed from its circuit, the instrument to be used should be a/an ____________. A. voltmeter or transistor tester B. impedance meter C. ohmmeter or transistor tester D. sensitive potentiometer

Last Answer : Answer: C

In order to make an accurate measurement as possible, the internal resistance of a voltmeter must be

Description : In order to make an accurate measurement as possible, the internal resistance of a voltmeter must be

Last Answer : as high as possible

A true rms reading voltmeter uses two thermocouple in order: -

Description : A true rms reading voltmeter uses two thermocouple in order: -  a) to increase sensitivity b) that a second thermocouple cancels out the no linear effect of the first thermocouple c) to prevent drift in the dic. Amplifier d) all of the above

Last Answer : A true rms reading voltmeter uses two thermocouple in order: -  that a second thermocouple cancels out the no linear effect of the first thermocouple

The internal resistance of the voltmeter must be very high in order to have

Last Answer : The internal resistance of the voltmeter must be very high in order to have Minimum current through the meter.

The price of capacitor will increase as

Last Answer : The price of capacitor will increase as Voltage rating of the capacitor increases.

In a dynamo-meter type of moving coil instrument a swamping resistance is provided in order to:

Last Answer : In a dynamo-meter type of moving coil instrument a swamping resistance is provided inorder to: Provide equal time constant for moving coil and fixed coil, when used for ac measurement

In order to achieve high accuracy, the slide wire of a potentiometer should be?

Last Answer : In order to achieve high accuracy, the slide wire of a potentiometer should be as long as possible.

What is meant by Voltmeter & Ammeter ?

Description : What is meant by Voltmeter & Ammeter ?

Last Answer : Voltmeter measures the voltage of any load or any line and the voltmeter has to be connected parallel to the load. The ammeter measures the current flowing through a load or the current of an electrical line. The ammeter is connected in series with the load.

What is a voltmeter ?

Description : What is a voltmeter ?

Last Answer : : A device that can be used to directly measure the voltage difference between two points on any part of a circuit is called a voltmeter.

What should be the resistance of a standard voltmeter ?

Description : What should be the resistance of a standard voltmeter ?

Last Answer : : The resistance of a standard voltmeter should be infinite.

What are the physical quantities measured with voltmeter and ammeter ?

Description : What are the physical quantities measured with voltmeter and ammeter ?

Last Answer : : The voltage difference between two points of a circuit is measured with a voltmeter. And the flow rate of an electric circuit is measured with an ammeter.

How to connect voltmeter and ammeter to circuit ?

Description : How to connect voltmeter and ammeter to circuit ?

Last Answer : : A voltmeter is connected in parallel with the two points of voltage circuit to measure the voltage difference. Again, to measure the flow rate of an electric circuit, ammeters are added to the electromagnetic circuit.

What if I connect to voltmeter series ?

Description : What if I connect to voltmeter series ?

Last Answer : If connected to the volt meter series, no text can be found on the meter. Because the internal resistance of the voltmeter is infinite.

What is a voltmeter ?

Description : What is a voltmeter ?

Last Answer : The meter by which voltage is measured is called a voltmeter

The emf of a battery is 4.0 V and its internal resistance is `1.5 Omega`. Its potential difference is measured by a voltmeter of resistance `1000 Omeg

Description : The emf of a battery is 4.0 V and its internal resistance is `1.5 Omega`. Its potential difference is measured by a voltmeter of resistance `1000 Omeg

Last Answer : The emf of a battery is 4.0 V and its internal resistance is `1.5 Omega`. Its potential ... percentage error in the reading of emf shown by voltmeter.

In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 Omega` resistance. Calculate what the same voltmeter read

Description : In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 Omega` resistance. Calculate what the same voltmeter read

Last Answer : In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 ... when it is connected across `300 Omega` resistance.

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`