Magnetism and Gauss’s Law

Author:Embibe Experts
12th Uttar Pradesh Board
IMPORTANT

Important Questions on Magnetism and Gauss’s Law

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State Gauss's law of magnetism. Explain its significance

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State Gauss’ law for magnetism. Explain its significance.

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State Gauss's law in magnetism. Explain its significance.

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What could be the equation for Gauss' law of magnetism, if a monopole of pole strength p is enclosed by a surface?

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A sample of volume 30 cm3 is placed in magnetic field of 5 oersted. The magnetic moment induced is 6 A/m2. Find magnetic induction.

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A magnetic field of 2×103 A/m produces a field 8π T in a sample of iron rod. Find relative magnetic permeability of the sample.

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For a sample of iron, the following relation holds-

μ=0.4H+12×10-4 H/m

Find the value of H which produces a magnetic field of 1 T.

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An iron rod of cross section 1 cm2 is placed in magnetic field of 200 oersted. It produces in magnetic field of 3000 G. Find magnetic permeability and magnetic susceptibility of the material.

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What is Gauss's law for magnetism? What does it indicate?

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Write the relation between magnetic permeability and magnetic susceptibility for a medium.

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A magnetic material has magnetic susceptibility as -0.085. What type of material it is?

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μ0 is permeability of vacuum, χm is susceptibility then permeability of material is

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Magnetic susceptibility for a paramagnetic and diamagnetic material is respectively

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There are 2.0×1024 molecular dipoles in a paramagnetic salt. Each has dipole moment 1.5×10-23Am2 . Find maximum (saturation) magnetization in the specimen.

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An iron specimen has relative permeability of 600 when placed in uniform magnetic field of intensity 110 A m-1. Then the magnetic flux density inside is....... Tesla.

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Relative permeability of iron is 5000, then its magnetic susceptibility will be

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Relative permeability of iron is 5500. Its magnetic susceptibility is

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Assertion: The magnetic flux through a closed surface containing a bar magnet is zero.

Reason: Gauss's law is applied in the case of electric flux only.

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The net magnetic flux through any closed surface, kept in a magnetic field is