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Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 9 (Q.No. 40)
Measurements and Instrumentation
40.

Assertion (A): A dc potentiometer measures the true open circuit emf of a source.

Reason (R): At balance point, a dc potentiometer does not draw any current from the source.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
Answer: Option
Explanation:
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