Questions
ABCD is a square loop made of a uniform conducting wire. The current enters the loop at A and leaves at D. The magnetic field is
a
Zero only at the centre of the loop
b
Maximum at the centre of the loop
c
Zero at all points outside the loop
d
Zero at all points inside the loop
detailed solution
Correct option is A
At the centre of the loop , B1 ∝3× Ir Field due to AB, BC and CDB2 ∝ 3Ir Field due to ADClearly, the two fields are equal in magnitude and the opposite in direction.Talk to our academic expert!
Similar Questions
The loop ABC, has the shape of an isoceles right angled triangle. If is carrying a current i. If AB = BC = l, then induction at D is
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