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CBSE Class 12-science Answered

Current in the wire 
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Asked by alanpeter9611 | 28 Feb, 2019, 01:47: AM
answered-by-expert Expert Answer
In order to change the given wire loop into circle, force should act in radial direction at each part of wire.
 
If we apply Flemings left hand rule,  by knowing the direction of magnetic field and direction of force,
we get induced current is passing through the wire in clockwise direcrtion
Answered by Thiyagarajan K | 28 Feb, 2019, 07:54: AM

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CBSE 12-science - Physics
A dumbbell consists of two masses A and B each of mass m joined by a light rod of length l with mass B attached to a suspension point O by a light rod of length l as shown in figure. Find the minimum required speed with which mass A to be projected horizontally so that the system completes the vertical circular motion.
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