Two wires of same length are shaped into a square and a circle. If they carry same current, ratio of the magnetic moment is [DCE 2002]

Increasing the number of turns in the coil

Two wires of same length are shaped into a square and a circle. If the

1.	Two wires of same length are shaped into a square and a circle. If they carry same current, ratio of the magnetic moment is [DCE 2002]
A.	2 : p
B.	p : 2
C.	Increasing the number of turns in the coil
D.	4 : p
Answer» D. 4 : p

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