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See attachment. Answer is zero. Can u explain. How the answer is zero .

See attachment. Answer is zero. Can u explain.
How the answer is zero . 

Question Image
Grade:12

1 Answers

Mahima Kanawat
1010 Points
3 years ago
Dear student 
Whenever the current is entering from one point and leaving at other point (in same direction) in a closed loop,  the net magnetic field at centre of the loop is always zero.
WITH REGARDS 
MAHIMA 
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