Wire PQ with negligible resistance slides on the three rails with 5 cm/sec. If the current in 10 Ω resistance when switch S is connected to position 1 is i1 and whenthe switch is at position 2 the current becomes i2.Then the ratio i1/i2 is ____________.
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Detailed Solution
For position 1, Induced currenti1=eR=BvlRFor position 2,Induced currenti2=eR=Bv(2l)Ri1i2=BvlR2BvlR=12