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Target Exam

CUET

Subject

Physics

Chapter

Electromagnetic Induction

Question:

What is energy required to build up a current I in inductor?

Options:

LI²/2

ε I

LI/2

2 ε I

Correct Answer:

LI²/2

Explanation:

Energy : E = LI²/2

L : Inductance

I : Current

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