A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

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Measurement and Instrumentation

A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

80 mA.

50 mA.

25 mA.

40 mA.

80 mA.

50 mA.

25 mA.

40 mA.

If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

X is more sensitive.

Y is more sensitive.

Both X and Y are equally sensitive.

It would not be possible to assess the sensitivity on the basis of the given data.

X is more sensitive.

Y is more sensitive.

Both X and Y are equally sensitive.

It would not be possible to assess the sensitivity on the basis of the given data.

Measurement and Instrumentation

Which of the following devices may be used for extending the range of instruments?

Shunt

Potential transformers

All of the listed here

Current transformers

Shunt

Potential transformers

All of the listed here

Current transformers

Measurement and Instrumentation

An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

3 A.

2 A.

5 A.

2+3√2 A.

3 A.

2 A.

5 A.

2+3√2 A.

Measurement and Instrumentation

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

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.

Any of above.

Measurement and Instrumentation

In a dynamometer wattmeter, the moving coil is the

None of the listed here

Potential coil

Current coil

Current coil and potential coil

None of the listed here

Potential coil

Current coil

Current coil and potential coil

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A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

Which of the following devices may be used for extending the range of instruments?

An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

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

In a dynamometer wattmeter, the moving coil is the

Google

Android

Apple

Facebook

Telegram

Instagram