How many electrons pass through the light bulb

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Reference no: EM1359260

Q. Four particles are held in place at the corners of a square with sides of length L. Each particle has a charge q and mass m. (a) What is the potential energy of this system of charges? (b) Starting from the rest, the particles are now released. How fast is each particle moving when their distance from the centre of the square doubles? Give your answers as algebraic expressions.

Q. A 5.50 current runs through a 12-gauge copper wire (diameter 2.05 ) and through a light bulb. Copper has free electrons per cubic meter.How many electrons pass through the light bulb each second?

Reference no: EM1359260

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