Question

A magnet is suspended horizontally

in the earth’s field. The period of

oscillation in the place is T. If a

piece of wood of the same moment

of inertia as the magnet is attached

to it, the new period of oscillation

would be​

Answer 1

Step-by-step explanation:

i hope it will help you. .....

Answer 2

Due to wood moment of inertia of the system becomes twice but there is no change in magnetic moment of the system.

Hence by

using and putting formula we get as,

$\sqrt{2} t$

for explanation see attachment

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