An Ac Generator Consists of a Coil with 50 Turns

question 79

Multiple Choice

An ac generator consists of a coil with 50 turns of wire, each with an area of 0.02 m². The coil rotates in a uniform magnetic field B = 0.4 T at a constant frequency of 60 Hz and produces an average power of 50 W. What is the resistance of the coil?

• A)150 Ω
• B)85 Ω
• C)2.4 Ω
• D)53 Ω
• E)227 Ω

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