You are designing an ac generator with a maximum emf of 8.0 V.If the generator coil has 200 turns,each with a cross-sectional area of 0.030 m²,what should be the frequency of the generator in a magnetic field of 0.030 T? A)7.1 Hz B)7.5 Hz C)8.0 Hz D)44 Hz

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Quizplus · Accepted Answer

The maximum emf (E_max) generated by an AC generator can be calculated using the formula: E_max = NABω, where N is the number of turns, A is the area of the coil, B is the magnetic field strength, and ω is the angular frequency (ω = 2πf, where f is the frequency in Hz). Rearranging the formula to solve for f gives: f = E_max / (2πNAB). Substituting the given values: f = 8.0 / (2π * 200 * 0.030 * 0.030) = 7.1 Hz.

You Are Designing an Ac Generator with a Maximum Emf