A square conducting loop of length Lon a side carries a current I. The – McqOptions

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1.	A square conducting loop of length Lon a side carries a current I. The magnetic field at the centre of the loop is
A.	Independant of L
B.	Proportional to L*L
C.	Inversely proportoinal to L
D.	Directly proportional to L
Answer» D. Directly proportional to L

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