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two identical circular loops of metal wire are lying on atable without touching each other. loop A carries a current which increases with time.in response, loop B 1.remains stationary 2.is attracted by loop A 3.is replled by loop A dont d loops get attracted? the answer in my book says opt:3! plz xplain

two identical circular loops of metal wire are lying on  atable without touching each other. loop A carries a current which increases with time.in response, loop B
1.remains stationary
2.is attracted by loop A
3.is replled by loop A
            dont d loops get attracted? the answer in my book says opt:3! plz xplain

Grade:12

2 Answers

Shubham Singh
199 Points
6 years ago
yes, it is true it is repelled by A
current in A increases with time so there will be change of flux in coil B which will induce a current in B
the direction of induced current in B will be opposite to direction of current in A and if the two loops carry current in opposite direction they repel each other.
erra akhil
208 Points
6 years ago
current in A increases with time so there will be change of flux in coil B which will induce a current in B
and the direction of induced current in coil  B will be in a direction opposite to that of current in A.As we knw tht if the two loops carry current in opposite direction they repel each other  and vice-versa

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