Find correct match for the figure in List I as shown with the items given in List II. Magnetic field vector is constant and torque is calculated about the centre of mass in each case. (All wires are uniform in mass). Match the following Lists.

Question

TestHub · Accepted Answer

In uniform magnetic fields, the net force depends on the symmetry of the current distribution, while torque depends on the dipole moment about the center of mass (CM).

P has torque only $\to$ (2).

Q is fully symmetric $\to$ no force, no torque $\to$ (3).

R has unequal fields $\to$ force and torque $\to$ (1,4).

S has force only $\to$ (4).

Correct option: A.

Physics - Magnetism Question with Solution | TestHub

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