Consider dropping a ball from rest. This ball moves from a state of high gravita

Question

Consider dropping a ball from rest. This ball moves from a state of high gravitational potential energy to one of low gravitational potential energy as it falls to the ground. Similarly, charges move from a state of high electric potential energy to one of low electric potential energy.

Part D

What is the electric potential energy of an electron at the negative end of the cable, relative to the positive end of the cable? In other words, assume that the electric potential of the positive terminal is 0 V and that of the negative terminal is ?12V. Recall that e=1.60

Explanation / Answer

PE = VQ = -12*-1.6E-19 J = +1.92E-18 J.

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