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A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate is placed near to the coil, it stops. This is due to :
  • a)
    developement of air current when the plate is placed
  • b)
    induction of electrical charge on the plate
  • c)
    shielding of magnetic lines of force as aluminium is a paramagnetic material.
  • d)
    electromagnetic induction in the aluminium plate giving rise to electromagnetic damping.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A coil is suspended in a uniform magnetic field, with the plane of the...
Because of the Lenz's law of conservation of energy.
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A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate is placed near to the coil, it stops. This is due to :a)developement of air current when the plate is placedb)induction of electrical charge on the platec)shielding of magnetic lines of force as aluminium is a paramagnetic material.d)electromagnetic induction in the aluminium plate giving rise to electromagnetic damping.Correct answer is option 'D'. Can you explain this answer?
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A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate is placed near to the coil, it stops. This is due to :a)developement of air current when the plate is placedb)induction of electrical charge on the platec)shielding of magnetic lines of force as aluminium is a paramagnetic material.d)electromagnetic induction in the aluminium plate giving rise to electromagnetic damping.Correct answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate is placed near to the coil, it stops. This is due to :a)developement of air current when the plate is placedb)induction of electrical charge on the platec)shielding of magnetic lines of force as aluminium is a paramagnetic material.d)electromagnetic induction in the aluminium plate giving rise to electromagnetic damping.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate is placed near to the coil, it stops. This is due to :a)developement of air current when the plate is placedb)induction of electrical charge on the platec)shielding of magnetic lines of force as aluminium is a paramagnetic material.d)electromagnetic induction in the aluminium plate giving rise to electromagnetic damping.Correct answer is option 'D'. Can you explain this answer?.
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