15 A resistance of 20 2 is connected to a source of an

Last updated: 6/11/2023

15 A resistance of 20 2 is connected to a source of an alternat ing potential V 220 sin 100 t The time taken by the current to change from the peak value to rms value is 1 0 2 s 2 0 25 s 3 2 5 10 s 4 2 5 10 s