A 50 Hz current has an amplitude of 10 A. The rate of change of current at = 0.005 after = 0 and is increasing is

A 50 Hz current has an amplitude of 10 A. The rate of change of curren

1.	A 50 Hz current has an amplitude of 10 A. The rate of change of current at = 0.005 after = 0 and is increasing is
Answer» i = 10 sin 314.16 t, At t = 0.005, i = 314.16 cos (314.16 x .005) = 0.