1. The current in a closed-loop circuit in which electrons only flow in a single direction is called ____.
a. voltage
b. direct current.
c. alternating current.
d. current.
2. What is the potential energy available in a power supply in the form of electric charge called?
a. current
b. voltage
c. watts
d. amps
3. what is the term for the rate at which electrons can flow through a circuit?
a. voltage
b. current
c. power
d. ohms
4. The actual rate at which energy is being transferred in a circuit is measured in what units?
a. amps
b. volts
c. watts
d. ohms
5. what is the unit of measurement for current in a circuit?
a. watts
b. volts
c. ohms
d. amps