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< Pre-Lecture Chapter 19 Prelecture Concept Question 19.02 20f15 Review Constants Periodic Table Part A Which of the following statements are true? Check all that apply. By convention, the direction of a current is taken to be the direction of flow for negative charges. Current is the total amount of charge that passes through a conductor's full cross section at any point per unit of time. In order to maintain a steady flow of current in a conductor, a steady force must be maintained on the mobile charges. When an electric field is applied to a conductor, the free electrons move only in the direction opposite the applied electric field. In a circuit, current is delivered by the positive terminal of a battery, and it is used up by the time it returns to the negative terminal of the U battery Submit Previous Answers Request Answer X Incorrect; Try Again; 3 attempts remaining Your answer indicates that you need to review current