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

The error is high due to hysteresis effect
The meter does not respond to DC signals
The error is high due to eddy current effect
The meter is calibrated for AC and it’s error for DC would be high

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Measurement and Instrumentation
Assertion(A): A low power factor wattmeter has special constructional features to ensure accurate measurment. Reason(R): Extension of wattmeter range in DC circuit can be easily done by using current and potential transformer

 A is false R is true.
 Both A and R is true and R is correct explanation of A C.
 A is true R is false.
 Both A and R is true and R is not correct explanation of A.

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