Question

a current loop in a magnetic field

Answer 1

Answer:

A current loop is a magnetic field is in equilibrium in two orientations one is stable and another unstable.

∵

τ

=

M

×

B

=MBsinθ

If θ=0

o

⇒τ=0 (stable)

If θ=π⇒τ=0 (unstable)

Do not experience a torque in some orientations

Explanation:

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Answer 2

Answer : Electric current in a circular loop creates field which is more concentrated in the center of the loop than outside the loop . Stacking multiple loops concentrate s the field even more into what is called a solenoid .