A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

Measurement and Instrumentation
A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

94.6o.

85.4o.

175.4o.

4.6o.

94.6o.

85.4o.

175.4o.

4.6o.

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Measurement and Instrumentation
The operating voltage of a megger is about

6 V

40 V

100 V

12 V

6 V

40 V

100 V

12 V

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Measurement and Instrumentation
An induction wattmeter can be used for

Ac only

Dc only

Any of the listed here

Both DC and AC

Ac only

Dc only

Any of the listed here

Both DC and AC

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Measurement and Instrumentation
PMMC type instruments normally use

Fluid friction damping

Air friction damping

Eddy current damping

None of these

Fluid friction damping

Air friction damping

Eddy current damping

None of these

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Measurement and Instrumentation
0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is

4%

2%

3%

1%

4%

2%

3%

1%

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Measurement and Instrumentation
Why is a MISC meter not recommended for DC measurement?

The error is high due to eddy current effect

The error is high due to hysteresis effect

The meter is calibrated for AC and it’s error for DC would be high

The meter does not respond to DC signals

The error is high due to eddy current effect

The error is high due to hysteresis effect

The meter is calibrated for AC and it’s error for DC would be high

The meter does not respond to DC signals

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Measurement and Instrumentation

Measurement and Instrumentation A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

Measurement and Instrumentation The operating voltage of a megger is about

Measurement and Instrumentation An induction wattmeter can be used for

Measurement and Instrumentation PMMC type instruments normally use

Measurement and Instrumentation 0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is

Measurement and Instrumentation Why is a MISC meter not recommended for DC measurement?

Measurement and Instrumentation
A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

Measurement and Instrumentation
The operating voltage of a megger is about

Measurement and Instrumentation
An induction wattmeter can be used for

Measurement and Instrumentation
PMMC type instruments normally use

Measurement and Instrumentation
0-150 V voltmeter has an accuracy of 1% of full-scale reading. The voltage measured by the instrument is 75 V. The limiting error is

Measurement and Instrumentation
Why is a MISC meter not recommended for DC measurement?