it The intensity of a lightbulb with a resistance of 120 Ω is controlled by connecting it in series with aninductor whose inductance can be varied from L = 0 to L = Lmax.This “light dimmer” circuit is connected to an ac generator witha frequency of 60.0 Hz and an rms voltage of 110 V. (a) What isthe average power dissipated in the lightbulb when L = 0? (b) Theinductor is now adjusted so that L = Lmax. In this case, the averagepower dissipated in the lightbulb is one-fourth the value found inpart (a). What is the value of Lmax?

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