# Chapter 23 - Reading Check Questions (Comprehension): 6

12 J are supplied to each coulomb of charge that flows through a 12-V battery. The work done on the charges, as shown on page 422, is charge multiplied by electric potential. $$PE = qV = (1 C)(12 V) = 12 J$$

#### Work Step by Step

This is discussed on page 433.

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