Current I is flowing in a coil of area A and number of turns is N, then magnetic moment of the coil in M equal to
A. NIA
B. NI/A
C. NI/ A
D. N2 AI
Answer:A
Current I is flowing in a coil of area A and number of turns is N, then magnetic moment of the coil in M equal to
A. NIA B. NI/A C. NI/ A D. N2 AI