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Q.

Two bulbs are connected to opposite sides of a loop  of wire, as shown in figure. There exists a cylindrical magnetic field confined to the smaller circular area as shown, not symmetric with respect to the loop. Both the figures show the loop with bulbs and another loop with negligible resistance wires having switch. Figure-I is corresponding to the initial position of the zero resistance wire (having switch). Figure-II shows the final position of the same after shifting to other side. All three loops shown in a figure are in the same plane. If the wire, with switch closed, is shifted from position-I to position-II. Then choose the correct statement  
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a

While shifting the wire first bulb 2 glows and then bulb 1

 

b

While shifting the wire first bulb 1 glows and then bulb 2

c

While shifting the wire both the bulbs glows simultaneously and gets off simultaneously

d

While shifting the wire no blub glows as there is no flux change so no emf.

answer is C.

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