Problem: Which of the following statements are true? (More than one answer may be correct - select all that are true).Select one or more:a. 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 battery.b. In order to maintain a steady flow of current in a conductor, a steady force must be maintained on the mobile charges.c. When an electric field is applied to a conductor, the free electrons move only in the direction opposite the applied electric field.d. By convention, the direction of a current is taken to be the direction of flow for negative charges.e. Current is the total amount of charge that passes through a conductor's full cross section at any point per unit of time.

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Problem Details

Which of the following statements are true? (More than one answer may be correct - select all that are true).

Select one or more:

a. 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 battery.

b. In order to maintain a steady flow of current in a conductor, a steady force must be maintained on the mobile charges.

c. When an electric field is applied to a conductor, the free electrons move only in the direction opposite the applied electric field.

d. By convention, the direction of a current is taken to be the direction of flow for negative charges.

e. Current is the total amount of charge that passes through a conductor's full cross section at any point per unit of time.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Current concept. You can view video lessons to learn Intro to Current. Or if you need more Intro to Current practice, you can also practice Intro to Current practice problems.