Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic ForceEasy2 minPYQ_2020

PhysicsEasysingle choice

An arc of a circular loop of radius $R$ is kept in the horizontal plane and a constant magnetic field $B$ is applied in the vertical direction as shown in the figure. If the arc carries current $I$ then find the force on the arc.

Options:

Answer:

Solution:

If this loop is close net force on it will be zero
so F + F_straight= 0

$\Rightarrow F = - F_{straight}$

$F = I \sqrt{2} RB$

$F = \sqrt{2} IRB$

Stream:JEESubject:PhysicsTopic:MagnetismSubtopic:Magnetic Force

⏱ 2mℹ️ Source: PYQ_2020

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