[" Q1.An ac voltage is represented by "],[E=220sqrt(2)cos(50 pi)t],[" How many times will the current become "],[" zero in "1" s? "]

An a.c. voltage is represented by E = 220 sqrt2 cos (8 pi) t . How many times will the current become zero in 1 sec ?

An alternating current is given by I=100 sin(5 pi t) . How many times will be current become zero in one second?

The frequency of A.C. is 50 Hz. How many times the current becomes zero in one second?

An Ac voltage is represented by e=220 sin (100pi) t volt and is applied over a resistance of 110 ohm. Calculate the heat produced in 7 min.

An Ac voltage is represented by e=220 sin (100pi) t volt and is applied over a resistance of 110 ohm. Calculate the heat produced in 7 min.

The frequency of sinusoidal A.C. voltage is 50 Hz. How many times does have voltage become zero in 5s ?

A certain A.C. voltage is represented by e=100 sin (100pi t+0.6) . The peak value of A.C. is

If an A.C. current of frequency 50 Hz is flowing through a conducting wire, then how many time does the current becomes zero in one second ?