EASY
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IMPORTANT
Earn 100

Define the terms the intensity of magnetization.

Important Questions on Magnetism and Matter

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Potential energy of a bar magnet of magnetic moment M placed in a magnetic field of induction B such that it makes an angle θ with the direction of B is
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A magnetic dipole is placed at right angles to the direction of magnetic induction B. If it is rotated through an angle of 180°, then the work done is
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A magnetic needle of negligible breadth and thickness compared to its length, oscillates in a horizontal plane with a period T. The period of oscillation of each part obtained on breaking the magnet into n equal parts and perpendicular to the length is
HARD
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The magnetic moments of two bar magnets of same size are in the ratio 1:2. When they are placed one over the other with their similar poles together, then their period of oscillation in a magnetic field is 3 s. If one of the magnets is reversed, then the period of oscillation in the same field will be
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Relative permeability of superconductors is
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The vertical component of earth's magnetic field at a place is 75% of the horizontal component. The value of angle of dip at that place is
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The true dip at a place is 60°. The vertical plane carrying needle is turned through 30° from magnetic meridian. The apparent dip will be
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At a place, apparent dip angle is 60°, when the plane of the dip circle is at an angle of, 30° with the magnetic meridian. The true dip at that place is