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    Physics for Scientists and Engineers Study Set 4
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    Exam 29: Electromagnetic Induction and Faradays Law
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    An Ac Generator Consists of a Coil with 50 Turns
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An Ac Generator Consists of a Coil with 50 Turns

Question 79

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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