Question: The movement of electrons from one atom to another along a conductor is called __________.
Answer: electricity
Question: Electric wires can be covered with a material that does not transmit electricity, such as rubber or plastic coating. This material is known as a(n) ____________.
Answer: insulator
Question: An apparatus that changes direct current to alternating current is a(n) __________.
Answer: inverter
Question: The term __________ current refers to a rapid and interrupted current, flowing first in one direction and then in the opposite direction.
Answer: alternating
Question: The unit that measures the pressure or force that pushes the electric current forward through a conductor is a(n) __________.
Answer: volt
Question: Which unit measures the resistance of an electric current?
Answer: ohm
Question: The device that prevents excessive current from passing through a circuit is called a(n) ___________.
Answer: fuse
Question: A switch that automatically interrupts or shuts off an electric current at the first indication of an overload is a(n) _________.
Answer: circuit breaker
Question: The negative electrode of an electrotherapy device is called a(n) __________.
Answer: cathode
Question: Grounding completes a(n) _________ and carries the current safely away.
Answer: electric circuit