Question: The electrical power P drawn from a generator by a light bulb of resistance R is P = V2/R, where V is the line voltage.

The electrical power P drawn from a generator by a light bulb of resistance R is P = V2/R, where V is the line voltage. The resistance of bulb B is 42% greater than the resistance of bulb A. What is the ratio PB/PA of the power drawn by bulb B to the power drawn by bulb A if the line voltages are the same?

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