a. A current of 1 ampere is a flow of charge at the rate of 1. Water doesn't flow in the

Chapter 0, Problem 2

(choose chapter or problem)

a. A current of 1 ampere is a flow of charge at the rate of 1. Water doesn't flow in the pipe when both ends (a) are at the same level. Another way of saying this is that water will not flow in the pipe when both ends have the same potential energy (PE). Similarly, charge will not flow in a conductor if both ends of the conductor are the same electric potential. But tip the water pipe, as in (b), and water will flow. Similarly, charge will flow when you increase the electric potential of an electric conductor so there is a potential difference across the ends. b. When a charge of 15 C flows through any area in a circuit each second, the current is A. coulomb per second. coulomb of charge between the two points. c. One volt is the potential difference between two points if 1 joule of energy is needed to move d. When a lamp is plugged into a 120-V socket, each coulomb of charge that flows in the circuit is raised to a potential .energy of joules. e. Which offers more resistance to water flow, a wide pipe or a narrow pipe? Similarly, which offers more resistance to the flow of charge, a thick wire or a thin wire?