64 When a DC voltage of 200V is applied to a coil of self

Last updated: 6/7/2023

64 When a DC voltage of 200V is applied to a coil of self inductance 2 3 H a current of 1A flows through it But by replacing DC source with AC source of 200V the current in the coil is reduced to 0 5A Then the frequency of AC supply is a 30 Hz b 60 Hz c 75 Hz d 50 Hz