MHT CET 2023 9th May Evening Shift | Magnetism and Matter Question 30 | Physics

The magnetic susceptibility of the material of a rod is 349 and permeability of vacuum $$\mu_0$$ is $$4 \pi \times 10^{-7}$$ SI units. Absolute permeability of the material of the rod in SI units is

$$4400 \times 10^{-7}$$

$$4200 \times 10^{-7}$$

$$4800 \times 10^{-7}$$

$$4600 \times 10^{-7}$$

MHT CET 2021 24th September Evening Shift

MCQ (Single Correct Answer)

-0

Two bar magnets '$$\mathrm{P}$$' and '$$\mathrm{Q}$$' are kept in uniform magnetic field '$$\mathrm{B}$$' with magnetic moments '$$\mathrm{M_P}$$' and '$$\mathrm{M_Q}$$' respectively. Magnet 'P' is oscillating with frequency twice that of magnet 'Q'. If the moment of inertia of the magnet 'P' is twice that of magnet 'Q' then

$$\mathrm{M}_{\mathrm{Q}}=2 \mathrm{M}_{\mathrm{P}}$$

$$\mathrm{M_P=2 M_Q}$$

$$\mathrm{M}_{\mathrm{P}}=8 \mathrm{M}_Q$$

$$\mathrm{M}_{\mathrm{Q}}=8 \mathrm{MP}_{\mathrm{P}}$$

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