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29-07-2020
Engineering

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A 30.0 W light bulb in a simple DC circuit is powered by a 9.0 V battery. Assuming there are no other circuit elements, how much current flows through the lightbulb?

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Alia1111 Alia1111

30-07-2020

As we know,
[tex]power = (voltage \times current) \\ so \: current = (power \div voltage)[/tex]

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