12) ans is 0 as
it is queri of CONCEPT OF PHYSICS B HCV
1. The figure shows a square loop of edge 'a' of a uniform wire. A current enter the loops a point 'a' and leaves at point 'c'. what will be the magnetic field at the point 'P' which on the perpendicular bisector of AB at a distance a/4 from it
2.What will be magnetic field if the at the center of the loop if the current enters the loop at point 'a' and leaves the loop at point 'b'
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4 Answers
1can u give me explation for both the ans , i m unable to find the ans for both the question
do help
12nd one is easy
first the current divdes into 2 parts one flows through ab and other thru adcb
kkk
for the direction of magnetic field use right hand rue extensively an u wil find the opp sides cance each other