Measurement and Instrumentation
When using ohmmeter, applied voltage is to be disconnected from the circuit because

Voltage source will increase resistance
None of these
The ohmmeter has its own internal battery
Current will decrease resistance

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

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

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