A magnetic dipole in a constant magnetic field has ;
Minimum potential energy when the torque is maximum.
Zero potential energy when the torque is minimum.
Maximum potential energy when the torque is maximum.
Zero potential energy when the torque is maximum.

Question

A magnetic dipole in a constant magnetic field has ;
Minimum potential energy when the torque is maximum.
Zero potential energy when the torque is minimum.
Maximum potential energy when the torque is maximum.
Zero potential energy when the torque is maximum.

Toppr Admin · Accepted Answer

U-x2212-x2192-x3BC-x2192-B-x3BC-Bcos-x3B8-1-x3C4-x3BC-Bsin-x3B8-2From 1 and 2- we can say that magnetic field has zero potential energy when the torque is maximum- Hence the answer and option C is correct

A magnetic dipole in a constant magnetic field has ;Minimum potential energy when the torque is maximum.Zero potential energy when the torque is minimum.Maximum potential energy when the torque is maximum.Zero potential energy when the torque is maximum.

U=−→μ.→B=μBcosθ----------1τ=μBsinθ--------------2From 1 and 2, we can say that magnetic field has zero potential energy when the torque is maximum. Hence the answer and option C is correct

A magnetic dipole in a constant magnetic field has ;
Minimum potential energy when the torque is maximum.
Zero potential energy when the torque is minimum.
Maximum potential energy when the torque is maximum.
Zero potential energy when the torque is maximum.

$U = - \to μ . \to B = μ B c o s θ$ ----------1
$τ = μ B s i n θ$ --------------2
From 1 and 2, we can say that magnetic field has zero potential energy when the torque is maximum. Hence the answer and option C is correct