The current in a coil self inductance 2.0 H is increasing according to `i= 2 sin t^(2)` amp. Find the amount of energy spent during the period when current changes from to 2 A.

Answer

4

Explanation

`DeltaE=1/2Li_f^2-1/2Li^2`
`DeltaE=1/2(2)(2^2-0^2)=4J`