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TARGET PUBLICATION-MAGNETISM-MCQs
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- Soft iron is used for making electromagnet because it
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- Which of the following are uses of electromagnets?
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- Strength of electromagnet can be increased by
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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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- 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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