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TARGET PUBLICATION-MAGNETISM-MCQs
- Strength of electromagnet can be increased by
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- The magnetic induction due to a bar magnet at a point on its axis is d...
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- The magnetic field at a distance d from a short bar magnet in longitud...
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- Two points A and B are situated perpendicular to the axis of 4 cm long...
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- The magnetic induction due to short magnetic dipole of moment 0.1" A m...
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- The magnetic induction due to a bar magnet of length 6 xx 10^(-2)m and...
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- Using mass (M), length (L), time (T) and current (A) as fundamental q...
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- The magnetic induction at a point on axis or equator is proportional t...
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- When a bar magnet is placed in a non-uniform magnetic field, it perfor...
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- In order to have a strong electromagnet it must have
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- Earth's magnetic field always has a horizontal component except at
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- Each pole of magnet of length 20 cm in a magnetic field of induction 0...
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- If the moment of a magnet is 0.4 A m^(-1) and force seting on esch pot...
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- If at a given place the earth's magnetic inchretion B is 5 xx 10^(-4) ...
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- The torque acting on a magnetie dipole of moment 5 A m^(2) when placed...
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- The number of electrons flowing in a current carrying circular coil pe...
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- The vector sum of magnetic moments of all electrons inside the atom is...
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- Assertion: Magnetic moment of an atoms is due to both, the orbital mot...
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- A small hole is made at the centre of the magnet then its magnetic mom...
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- The current carrying loop behaves as magnetic dipole because,
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