Question

6 of 20

Which of the following statements concerning conventional current is correct?

            Conventional current is the movement of positive charge and flows through a circuit in a direction from positive to negative.

            Conventional current is the movement of positive charge and flows through a circuit in a direction from negative to positive.

            Conventional current is the movement of negative charge and flows through a circuit in a direction from positive to negative.

            Conventional current is the movement of negative charge and flows through a circuit in a direction from negative to positive.

Question

7 of 20

The purpose of a resistor in a circuit is to

            provide charge.

            provide energy.

            restrict the flow of charge.

            increase the speed of charge.

Question

8 of 20

How many electrons will flow through a wire in 2.0 min if the current is 0.5 amps?

            6.3 x 1018 electrons

            7.5 x 1020 electrons

            3.8 x 1020 electrons

            2.5 x 1019 electrons

Question

9 of 20

A particle with a mass of 0.01 kg and a net charge of -0.05 C accelerates from rest through a uniform electric field. If the strength of the field is 2000 V/C, what is the speed of the particle after traveling for 0.5 m?

            100 m/s

            10000 m/s

            20000 m/s

            141 m/s

Question

Answer 1