Physics, 20.07.2019 07:00, blair454

How does the energy used by a 100 w lightbulb compare with the energy used by a 40 w lightbulb in a given amount of time? the 100 w bulb uses 2.5 times more energy. the 40 w bulb uses 2.5 times more energy. the 100 w bulb uses 60 times more energy. the 40 w bulb uses 60 times more energy.

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How does the energy used by a 100 w lightbulb compare with the energy used by a 40 w lightbulb in a...