Measurements and Instrumentation

Q1: A sinusoidal ac voltage of amplitude 100 V is applied to a rectifying device which offers 10 Ω resistance in forward direction and infinite resistance in reverse direction. The reading on hot wire ammeter will be

A 10 A

B 5 A

C 3.185 A

D 1.414 A

ANS:B - 5 A

Hot wire ammeter indicates rms value .



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