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

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

An alternating current 'I' is given by I = i_(0) sin 2 pi (t//T + 1//4) . Then the average current in the first one quarter time period to

Alternating current in circuit is given by I = I_(0) sin 2 pi nt . Then the time by the current to rise from zero to r.m.s value is equal to

Equation of alternating current is given by l = 10sqrt2sin(100pil+pi/6) . The time taken by current to reach the root mean square value from t = 0 is t then value of t is

Equation of alternating current is given by l = 10sqrt2sin(100pil+pi/6) . The time taken by current to reach the root mean square value from t = 0 is t then value of t is

Alternating current in circuit is given by I=I_(0)sin2 pi nt .Then the time taken by the current to rise from zero to r.m.s value is equal to (1)/(nx) then x=

The instantaneous value of an alternating current is given by i=50 sin(100 pit) . It will achieve a value of 25 A after a time interval of