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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic torque & energyMedium2 minPYQ_2009

PhysicsMediumsingle choice

A current $I_{1}$ carrying wire $A B$ is placed near another long wire $C D$ carrying current $I_{2}$ . If wire $A B$ is free to move, it will have

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Answer:

Solution:

Since the magnetic field, due to current through wire $C D$ at various locations on wire $A B$ is not uniform, therefore, the wire $A B$ , carrying current $I_{1}$ is subjected to variable magnetic field due to which, neither the force nor the torque on the wire $A B$ will be zero. As a result of which the wire $A B$ will have both translational and rotational motions.

Stream:AIIMSSubject:PhysicsTopic:MagnetismSubtopic:Magnetic torque & energy

⏱ 2mℹ️ Source: PYQ_2009

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