How many joules of energy are used by the flashlight

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You have a flashlight that uses 0.75 watts of power and requires 1.5 volt battery.

How many joules of energy are used by the flashlight in 15 minutes? Hint: Joules are watts and seconds and you are computing the difference between the electric energy at two points A and B.

What the total charge q0? Hint: the statement of the problem provides delta V.

How many particles, each having a charge of 1.60 x 10^-6, are needed to produce the total charge at q0?

Reference no: EM13241008

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