Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 8 (Q.No. 29)

Measurements and Instrumentation

29.

Assertion (A): Electrodynamic instrument is not used as ammeter or voltmeter.

Reason (R): Electrodynamic instrument is more costly than PMMC and moving iron instrument.

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:

No answer description is available. Let's discuss.

Discussion:

2 comments Page 1 of 1.

Rahul said: 8 years ago

Because it is transducer & it is used in magnetic flow meter.

Matiullah kakar said: 2 years ago

I think option D is correct because electrodynamics can be an ammeter and voltmeter.

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