A Coil Consists of 240 Circular Loops, Each of Radius

question 20

Multiple Choice

A coil consists of 240 circular loops, each of radius 0.044 m, and carries a current of 2.2 A. Determine the magnetic moment of the coil.

• A)0.21 A . m²
• B)0.65 A . m²
• C)3.2 A . m²
• D)15 A . m²
• E)23 A . m²

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