How many joules does the lightbulb convert into light


A 30.0 W lightbulb is 19.0 percent efficient. This means that 19.0 percent of the electric energy is converted to light energy.

(a) How many joules does the lightbulb convert into light each minute it is in operation?

(b) How many joules of thermal energy does the lightbulb produce each minute?

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Physics: How many joules does the lightbulb convert into light
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