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a) How many extra electrons are on a pith ball if it has a net charge of 1.28 x 10 -10 C? [3] b)

a) How many extra electrons are on a pith ball if it has a net charge of 1.28 x 10 -10 C? [3] b) Homer Simpson is building a time machine from a toaster. If the toaster receives 784 J of energy when connected to a 110 V power supply, determine the amount of charge received by the toaster. [3]

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