An Object Is Hung Using a Metal Spring

An object is hung using a metal spring. If now a current is passed through the spring, what will happen to this system?

A) The spring will extend, lowering the weight.
B) The spring will begin to swing like a pendulum.
C) The spring will contract, raising the weight.
D) The weight will not move.
E) None of these are true.

Correct Answer:

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