To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

Measurement and Instrumentation
To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

From a battery

From the same source as the unknown voltage

From a source which is not the same as the unknown voltage

Any of the above

From a battery

From the same source as the unknown voltage

From a source which is not the same as the unknown voltage

Any of the above

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Measurement and Instrumentation
A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

3%

5%

4%

2%

3%

5%

4%

2%

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Measurement and Instrumentation
Which of following voltmeters would you use for measuring voltage across 20KΩ resistance

Voltmeter having a resistance of 5 ΩK.

Voltmeter having sensitivity of 10 KW/V.

None of above.

Voltmeter having sensitivity of 1 KW/V.

Voltmeter having a resistance of 5 ΩK.

Voltmeter having sensitivity of 10 KW/V.

None of above.

Voltmeter having sensitivity of 1 KW/V.

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Measurement and Instrumentation
A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is

1.5%

2%

1%

2.5%

1.5%

2%

1%

2.5%

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Measurement and Instrumentation
A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

0.001 Ω.

1000 Ω.

100 Ω.

0.1001 Ω.

0.001 Ω.

1000 Ω.

100 Ω.

0.1001 Ω.

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Measurement and Instrumentation
If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms

The bridge can be balanced.

The bridge is balanced for some specified value of R1, R2, R3.

The bridge is balanced for some specified value of frequency.

The bridge can not be balanced.

The bridge can be balanced.

The bridge is balanced for some specified value of R1, R2, R3.

The bridge is balanced for some specified value of frequency.

The bridge can not be balanced.

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Measurement and Instrumentation

Measurement and Instrumentation To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

Measurement and Instrumentation A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance

Measurement and Instrumentation A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is

Measurement and Instrumentation A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

Measurement and Instrumentation If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms

Measurement and Instrumentation
To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken

Measurement and Instrumentation
A 0 - 200 V voltmeter has a guaranteed accuracy of 1% of full scale reading. The voltage measured by this instrument is 50 V. What is the limiting error?

Measurement and Instrumentation
Which of following voltmeters would you use for measuring voltage across 20KΩ resistance

Measurement and Instrumentation
A 150 V moving iron voltmeter of accuracy class 1-0 reads 75 V when used in a circuit under standard condition. The maximum possible percentage error in the reading is

Measurement and Instrumentation
A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

Measurement and Instrumentation
If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms