Measurement and Instrumentation
Assertion (A) : Precision is a necessary prerequisiteof accuracy. Reason (R) : Precision guarantees accuracy.

 A is true but R is false
 Both A and R are true but R is NOT the correct explanation of A
 Both A and R are true and R is the correct explanation of A
 A is false bur R is true

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

The error is high due to hysteresis effect
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 meter does not respond to DC signals

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