GATE PH 2025 PH Q58: Electromagnetic Theory

A linear magnetic material in the form of a cylinder of radius

and length

is placed with its axis parallel to the

axis. The cylinder has uniform magnetization

. Which of the following option(s) is/are correct?

Your answerSelect all correct options. You can choose more than one.

The magnetic field at any point outside the cylinder can be expressed as the gradient of a scalar function

The bound volume current density is zero

The surface current density on the curved surface is non-zero

The surface current densities on the flat surfaces (top and bottom) are non-zero

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