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

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
The error is high due to hysteresis effect

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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 frequency.
 The bridge is balanced for some specified value of R1, R2, R3.
 The bridge can not be balanced.

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