If a very flexible wire is laid out in the shape of a hair pin with its ___

If a very flexible wire is laid out in the shape of a hair pin with its two ends secured, what shape will the wire tend to assume if a current is passed through it?

A. Parabolic.
B. Straight line.
C. Circle.
D. Ellipse.

Show Answer

Answer: B

Share your understanding of this question with the correct explanation.