EASY
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IMPORTANT
Earn 100
Assertion : A moving charged particle gets energy from magnetic field.
Reason : Magnetic force works on moving charged particle.
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Important Questions on Magnetic Effect of Current
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IMPORTANT
Assertion : Magnetic field Of an atom is due to both, the orbital motion a!nd spin motion of electron.
Reason : A moving charge particle produces magnetic field.
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Assertion : Magnetic poles are only mathematical assumptions having no real existence. Reason : A charged particle is moved along a magnetic field line. The magnetic force on the particle is perpendicular to its velocity.
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Assertion : Work done by magnetic field on a moving charge is zero.
Reason : Force experienced by a moving charge in a magnetic field is may be zero.
MEDIUM
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Assertion : The direction of magnetic moment and orbital angular momentum are opposite to each other for electron.
Reason : Electron is negatively charged.
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Assertion : The direction of magnetic moment and orbital angular momentum are opposite to each other for electron.
Reason : Electron is negatively charged.
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Assertion : In external magnetic field, kinetic energy of charge particle remains constant.
Reason : In external magnetic field velocity of charge remains constant.
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Assertion : Unlike charges are projected in opposite direction in transverse magnetic field, then they are deflected in same directions.
Reason : If a voltmeter connected across two peripheral points of faraday copper disc generator, its reading is zero.
