1.

PQRS is a square loop made of uniform conducting wire the current enters the loop at P and leaves at S.  Then the magnetic field will be   [KCET 2000]

A. Maximum at the centre of the loop
B. Zero at the centre of loop
C. If assertion is true but reason is false.
D. Zero at all points outside of the loop
Answer» C. If assertion is true but reason is false.


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