Two identical coaxial circular loops carry current i each
circulating in the clockwise direction. If the loops are
approaching each other, then
(a) current in each loop increases
(b) current in each loop remains the same
(c) current in each loop decreases
(d) current in one-loop increases and in the other it decreases
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Answer:
As the two identical coaxial circular loops carry a current i each circulating in the same direction, their flux add each other. When the two are brought closer, the total fluc linkage increase. By Lenz's a law a current will be induced in both the loops such that it opposes this change in flux.
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