Title: Unit 5 Quiz
Course: HET 194 NATE Certification Preparation - Spring 2015 > Section: HET 194 NATE Certification Preparation - Spring 2015

Q: If five electrons combine with three protons, the net charge will be ____.
- negative
- positive
- zero
- neutral
A: negative

Q: What part of an atom moves from one atom to another?
- proton
- neutron
- electron
- molecule
A: electron

Q: Typical insulators are ____.
- copper, silver, gold
- steel, bronze, brass
- glass, rubber, plastic
- aluminum, nickel, magnesium
A: glass, rubber, plastic

Q: An ampere is ____.
- the difference in potential between two charges
- a measure of the quantity of electrons flowing past a point in the electrical circuit in a given time
- the unit of measure for resistance
- the unit of measure for capacitance
A: a measure of the quantity of electrons flowing past a point in the electrical circuit in a given time

Q: If two light bulbs are wired in series and one bulb burns out, the other bulb will ____.
- go out
- stay on
- stay on, but it will be dimmer
- stay on, but it will be brighter
A: go out

Q: What happens to the current in a circuit if the resistance is increased?
- The current remains the same.
- The current increases.
- The current decreases.
- This cannot be determined.
A: The current decreases.

Q: An element in an electric heating unit is applied to a 232-volt power supply. The current flow through the element is 19 amperes. What is the resistance of the element?
- 8 ohms
- 10 ohms
- 12 ohms
- 14 ohms
A: 12 ohms

Q: As loads are added in a parallel circuit, the total resistance of the circuit ____.
- will increase
- will decrease
- will remain the same
- cannot be determined
A: will decrease

Q: To find the watts of electrical power in an electrical circuit, you multiply ____.
- ohms and amperes
- ohms and volts
- volts and amperes
- volts, amperes, and ohms
A: volts and amperes

Q: If a conductor carrying electrical current is formed into a coil, the magnetic field around the wire will ____.
- cancel out
- increase
- decrease
- remain the same
A: increase