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When the Switch S is Closed in the Figure Given Below, the Pointer of the Galvanometer Moves to the Right. - Science

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Question

When the switch S is closed in the figure given below, the pointer of the galvanometer moves to the right.  

 

If S is kept closed, will the pointer:

(a) return to zero?
(b) stay over on the right?
(c) move to the left and stay there
(d) move to and fro until S is opened

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Solution

return to zero
After some time, the magnetic field gets constant; this means that there is no relative change in the value of magnetic field. Therefore, the circuit will have zero induced current. 

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Chapter 2: Magnetic Effects of Electric Current - Exercise 4 [Page 104]

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Lakhmir Singh Physics (Science) [English] Class 10
Chapter 2 Magnetic Effects of Electric Current
Exercise 4 | Q 29 | Page 104

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