Objects A and B, which are initially neutral are rubbed against each other. As a result, A becomes positively charged and B negatively charged both with a magnitude of 4 µC. What is the change in mass of A? (Hint: Determine the number of electrons that charge A lost and multiply it to the mass of one electron) Select one: 2.27 x 10–11 kg 4.17 x 10–14 kg 2.27 x 10–17 kg 4.17 x 10–8 kg

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.