Reading on a moving iron ammeter when rectangular waveform current with peak value of 120 mA is passed

Q.  What will a moving iron ammeter read if a rectangular waveform current with peak value of 120 mA is passed through it?
- Published on 10 Sep 15

a. 120 mA
b. 84.8 mA
c. 169.7 mA
d. 60 mA

ANSWER: 120 mA

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