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Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 5 (Q.No. 16)
Measurements and Instrumentation
16.

Assertion (A): The scale a PMMC ammeter is linear.

Reason (R): The deflecting torque of PMMC is proportional to current in the coil.

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:

Since the deflecting torque is proportional to current, the scale is linear.

Discussion:
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