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COMEDK 2022

MCQ (Single Correct Answer)

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A bar magnet of length $$6 \mathrm{~cm}$$, is placed in the magnetic meridian with $$N$$ pole, pointing towards the geographical north. Two neutral points, separated by a distance of $$8 \mathrm{~cm}$$ are obtained on the equitorial axis of the magnet. If $$B_H=1.2 \times 10^{-5} \mathrm{~T}$$. Then the pole strength of the magnet is

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COMEDK 2021

MCQ (Single Correct Answer)

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A bar magnet is oscillating in the earth's magnetic field with a period T. What happens to its period and motion, if its mass is quadrupled?

3

COMEDK 2021

MCQ (Single Correct Answer)

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The relative permeability of iron is 6000. Its magnetic susceptibility is

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COMEDK 2020

MCQ (Single Correct Answer)

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The intensity of magnetic field due to an isolated pole of strength $$m_p$$ at a point distant $$r$$ from it will be

Questions Asked from Magnetism and Matter (MCQ (Single Correct Answer))

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