# Answer to Question #55884 in Electromagnetism for kola

Question #55884

A rectangular coil of dimensions 20cm by 15cm lies with its plane parallel to a magnetic field of

0.5W/m2

. The coil, carrying a current of 10A experiences a torque of 4.5Nm in the field. How many loops has the coil?

100

60

30

20

0.5W/m2

. The coil, carrying a current of 10A experiences a torque of 4.5Nm in the field. How many loops has the coil?

100

60

30

20

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