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Grade: 10
        
A magnet dropped into a coil of conducting wire along its axis will fall with an acceleration:
  1. equal to g in the beginning and more than g later
  2. more than g
  3. less than g
  4. equal to g
10 months ago

Answers : (1)

Arun
14829 Points
							Due to magnetic induction.And Lenz`s Law , direction current indices such that it opposes the cause of its induction. Now this induced current has its magnetic field which exerts a force in the magnet in upward direction .... But gravitation force is greater than this induced magnetic force...... so magnet falls down but with acceleration a = g-a(induced).Hence option C is correct.
						
10 months ago
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