A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

Measurement and Instrumentation
A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

0.5 mA.

10 mA.

1mA.

100 mA.

0.5 mA.

10 mA.

1mA.

100 mA.

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Measurement and Instrumentation
In the bridge given in the figure, the reading of the high impedance voltmeter is

4.20 V.

6.66 V.

Zero.

- 3.33 V.

4.20 V.

6.66 V.

Zero.

- 3.33 V.

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Measurement and Instrumentation
For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from

Any of above.

The same source as the unknown voltage.

A source other than the source of unknown voltage.

A battery.

Any of above.

The same source as the unknown voltage.

A source other than the source of unknown voltage.

A battery.

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Measurement and Instrumentation
The disc of an instrument using eddy current damping should be of

Conducting and non magnetic material

Conducting and magnetic material

None of the listed here

Non conducting and magnetic material

Conducting and non magnetic material

Conducting and magnetic material

None of the listed here

Non conducting and magnetic material

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Measurement and Instrumentation
The quantity 1/√(∈0 × μ0) in SI units has the

dimension LT-1.

speed of light.

both ‘a’ and ‘b’.

none of these.

dimension LT-1.

speed of light.

both ‘a’ and ‘b’.

none of these.

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Measurement and Instrumentation
A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V?

2%

1%

3.33%

5%

2%

1%

3.33%

5%

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Measurement and Instrumentation

Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

Measurement and Instrumentation In the bridge given in the figure, the reading of the high impedance voltmeter is

Measurement and Instrumentation For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from

Measurement and Instrumentation The disc of an instrument using eddy current damping should be of

Measurement and Instrumentation The quantity 1/√(∈0 × μ0) in SI units has the

Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V?

Measurement and Instrumentation
A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

Measurement and Instrumentation
In the bridge given in the figure, the reading of the high impedance voltmeter is

Measurement and Instrumentation
For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from

Measurement and Instrumentation
The disc of an instrument using eddy current damping should be of

Measurement and Instrumentation
The quantity 1/√(∈0 × μ0) in SI units has the

Measurement and Instrumentation
A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V?