Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic ForceEasy2 minPYQ_2009

PhysicsEasysingle choice

A conducting circular loop of radius $r$ carries a constant current $i .$ It is placed in a uniform magnetic field $B_{0}$ such that $B_{0}$ is perpendicular to the plane of the loop. The magnetic force acting on the loop is

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Solution:

The magnetic field is perpendicular to the plane of the paper. Let us consider two diametrically opposite elements. By Fleming's Left hand rule on element $AB$ the direction of force will be Leftwards and the magnitude will be $dF = Idl B sin 9 0^{\circ} = IdIB$

Stream:BITSATSubject:PhysicsTopic:MagnetismSubtopic:Magnetic Force

⏱ 2mℹ️ Source: PYQ_2009

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