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electronics and communication engineering measurements and instrumentation
1. Assertion (A): The scale a PMMC ammeter is linear.Reason (R): The deflecting torque of PMMC is proportional to current in the coil.
(A): A is false R is true
(B): A is true R is false
(C): Both A and R are true and R is correct explanation of A
(D): Both A and R are true but R is not correct explanation of A
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By: guest on 02 Jun 2017 01.01 am
Since the deflecting torque is proportional to current, the scale is linear.
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