A closed-loop carrying current I lies in the x-z plane. The loop will experience a force if it is placed in a region occupied by a uniform magnetic field along.

x-axis

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y-axis

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z-axis

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none of these

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Solution

The correct option is D
none of these

Explanation for the correct option is (D).
In a uniform magnetic field, the force on any current-carrying loop is always zero.
Uniform magnetic field:
It has the same magnitude.
It also has the same direction throughout the region under consideration.
So, the field lines need to be both parallel and spaced out evenly.
The formula of uniform magnetic field:
$F B = q v B \sin θ$
Hence, the correct option is (D).

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