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Question
Which statement is true:
(i) A ring of radius R carries a uniformly distributed charge +Q. A point charge −q is placed on the axis of the ring at a distance 2R from the centre of the ring and released from rest. The particle execute a simple harmonic motion along the axis of the ring.
(ii) Electrons move from a region of higher potential to that of lower potential.
Which statement is true:
(i) A ring of radius R carries a uniformly distributed charge +Q. A point charge −q is placed on the axis of the ring at a distance 2R from the centre of the ring and released from rest. The particle execute a simple harmonic motion along the axis of the ring.
(ii) Electrons move from a region of higher potential to that of lower potential.
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Solution
The correct option is A Only (i)
A ring of radius =RCharge =+Qa point charge =−qdistance =2Roption (ii) is absolutely incorrect. But (i) is correct because the motion is harmonic.
A ring of radius =R
Charge =+Q
a point charge =−q
distance =2R
option (ii) is absolutely incorrect. But (i) is correct because the motion is harmonic.
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