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A light bulb is rated 150 W for 220 V AC supply of 60 Hz. Calculate

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A light bulb is rated 150 W for 220 V AC supply of 60 Hz. Calculate

(a)  the resistance of the bulb 

(b)  the rms current through the bulb. 

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(a)  P =150 W, V = 220 V

Resistance of the bulb R

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