Physics, 26.02.2020 16:40 nicollexo21
When thinking about an electric circuit, you usually focus not on the motion of individual charges, but rather on the continuous current (charge per unit time) flowing through the circuit. Thus, rather than considering the work done on a particular charge, it is useful to compute the work done per unit time on the charge flowing through the circuit, or in other words, the power. Find the electrical power PPP delivered to the resistor via the work done on the individual charges passing through it. (Again, this power ultimately appears in the form of heat). Express PPP in terms of quantities given in the problem introduction.
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You can watch static electricity in action by rubbing an inflated balloon against your hair. your hair will actually stand on its end! it does this because each hair becomes charged, and they all repel one another.
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When thinking about an electric circuit, you usually focus not on the motion of individual charges,...
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