JEE Main 2022 · 25 Jun · Shift 1 · Physics Q59

← JEE Main 2022 · 25 Jun · Shift 1

PhysicsInteger+4 / -1Question 59 of 90

The current in a coil of self inductance 2.0 H is increasing according to $I=2\sin\left(t^2\right)$ A. The amount of energy spent during the period when current changes from 0 to 2 A is ______ J.

Your answer

Answer and worked solution

Official answer: 4

Energy stored goes from 0 to $\frac12LI^2=\frac12(2)(2)^2=4$ J.

Answer: 4

Topics:Energy in an inductor

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JEE Main 2022 · 25 Jun · Shift 1, Physics question 59