Class 12th Physics – HI MCQ!

The magnetic susceptibility of an ideal diamagnetic substance is?

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The best material for the ore of a transformer is?

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Which of the following is not showing the essential difference between electrostatic shielding by a conducting shell and magneto static shielding?

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The vertical component of earth’s magnetic field . at a place is?3 times the horizontal component the value of angle of dip at this place is?

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A diamagnetic material in a magnetic field moves?

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Current I is flowing in a coil of area A and number of turns is N, then magnetic moment of the coil in M equal to?

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A magnet can be completely demagnetised by?

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A compass needle which is allowed to move in a horizontal plane is taken to a geomagnetic pole. It will?

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Which of the following is responsible for the earth’s magnetic field?

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One can define …….. of a place as the vertical plane which passes through the imaginary line joining the magnetic North and the South–poles.?

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