Question: A typical lightbulb in your residence is rated 100 W, which means that the bulb dissipates 100 W when connected to a DC voltage of

A typical lightbulb in your residence is rated 100 W, which means that the bulb dissipates 100 W when connected to a DC voltage of 110 V.
(a) What is the current?
(b) If the voltage is reduced to 55 V, what is the dissipated power? Assume the resistance does not change when the voltage is reduced.

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