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# If the direction of the current changes in the current carrying loop placed in some magnetic field perpendicular to loop, then Potential energy of loop is not effected because current is a scalar quantity.Enter 1 if true and 0 if False.

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#### For the current loop ABCD in magnetic field →BLet current flowing = IArea enclosed = A and μ = magnetic dipole moment.Now torque expressionτ=μ×Bextτ=μBextsinθThus potential energy,U=∫τdθ=∫μBsinθdθU=μBcosθThus U depends of μ.Here U depends on μ, magnetic moment which depends on direction of current.Thus potential energy changes.Hence false(0).

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