1. A battery's "voltage" is

A) the amount of kinetic energy it gives to each electron.

B) the amount of electrical current it produces.

C) the amount of energy it gives to each coulomb of electrical charge.

D) the amount of electrical charge it can send around an electrical circuit in every second.

E) the amount of electrical resistance it can overcome.

2. When a battery is used to light up a lightbulb,

A) some of the electrical current produced by the battery is consumed by the bulb, and the rest flows back into the battery.

B) electric charge builds up within the bulb, causing the bulb to light up.

C) electric charge builds up on the battery terminals but none of it actually flows through the bulb.

D) all the electrical current produced by the battery is consumed by the bulb.

E) the amount of electrical current flowing into one side of the battery is equal to the amount flowing out of the other side.

3. What should be the resistance of a light bulb in order for it to draw a 2 amp current when plugged into a 120-volt outlet?

A) 1/30 ohm

B) 480 ohms

C) 1/60

4. Earth's magnetism arises from

A) electric currents in the upper atmosphere.

B) charged particles at rest on Earth's surface and on clouds in the lower atmosphere.

C) electric currents in Earth's interior.

D) electric currents in the sun.

E) the Wizard of Oz.

5. An electromagnetic field

A) can exist in vacuum.

B) is a region of space where a charge would feel a force.

C) Both of the above.

D) None of the above.