Assertion ( A ): Electrodynamic instrument is not used as ammeter or voltmeter.
Reason ( R ): Electrodynamic instrument is more costly than PMMC and moving iron instrument.
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
Show Answer
Answer: A
Share your understanding of this question with the correct explanation.