1.

Assertion (A): Strain measurement using strain gauge invariably requires a dummy strain gauge.Reason (R): The resistance of strain gauge depends on temperature.

A. Both A and R are true and R is correct explanation of A
B. Both A and R are true but R is not correct explanation of A
C. A is true R is false
D. A is false R is true
Answer» B. Both A and R are true but R is not correct explanation of A


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