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18 July, 22:46

An AC generator has a maximum output emf of 4.20 x 102 V. What is the rms emf? (Remember ΔVrms = 0.707Vmax)

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  1. 19 July, 01:59
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    We have an AC generator with a maximum output 4.20 * 10^2 V.

    Δ V rms = 0.707 * V max

    Δ V rms = 0.707 * 4.20 * 10^2 V =

    = 0.707 * 420 V =

    = 296.94 V = 297 V

    Answer:

    C) 297 V
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