Effect of Current on a Spring – Rankers Physics
Topic: Electromagnetic Induction
Subtopic: Faraday's Law of Electromagnetic Induction

Effect of Current on a Spring

If a current is passed through a spring then the spring will:
expand
compress
remains same
none of these

Solution:

Current flows in the same direction in adjacent turns of the spring. Since parallel currents in the same direction attract each other, the turns of the spring are pulled closer, causing the spring to compress.

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