The voltage and power ratings of a particular light bulb which are its normal operating values are 110 V and 60 W Assume the

Question

The voltage and power ratings of a particular light bulb which are its normal operating values are 110 V and 60 W Assume the resistance of the filament of the bulb is constant and is independent of operating conditions If the light bulb is operated at a reduced voltage and the power drawn by the bulb is 36 W what is the operating voltage of the bulb 85 V 72 V 66 V O 78 V O 90 V

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