NOCTI ELECTRICAL STUDY GUIDE 2026
EXAM QUESTIONS AND VERIFIED
ANSWERS GRADED A+
⩥ What is a scan tool?. Answer: used to identify trouble codes stored in
the car's computer memory
⩥ A material that allows electrons to flow through it easily or a pathway
for electricity is known as a______________. Answer: conductor
⩥ Three things that can be measured in an electrical circuit:. Answer:
Volts, amps, and resistance
⩥ Electrons flow from ________ to ________ in an electrical circuit.
Answer: negative to positive
⩥ A circuit that has only one pathway for electricity to flow is known as
a. Answer: series circuit
⩥ a circuit that has more than one pathway for electricity to flow is
called a__________. Answer: parallel circuit
, ⩥ A condition caused by a break in a circuit causing current to stop
flowing is known as _________________. Answer: an open circuit
⩥ A wire to wire short circuit is caused how?. Answer: When one one
wire touches another wire causing the circuit to fail.
⩥ A wire to wire short or a wire to ground short will cause what?.
Answer: a light to go dim or to go out
⩥ high resistance in an electrical circuit will cause what involving
lights?. Answer: It causes lights to stay dim
⩥ What will a flasher do?. Answer: makes the blinkers blink
⩥ Automotive fuses are all sized by the amount of what?. Answer: the
amount of amperage they can carry
⩥ If a fuse is blown out and you replaced it, the problem with the circuit
is not fixed; why?. Answer: something caused the circuit to burn out
⩥ when replacing a halogen type headlight, what should you be aware
of?. Answer: NEVER touching a glass bulb with your skin
EXAM QUESTIONS AND VERIFIED
ANSWERS GRADED A+
⩥ What is a scan tool?. Answer: used to identify trouble codes stored in
the car's computer memory
⩥ A material that allows electrons to flow through it easily or a pathway
for electricity is known as a______________. Answer: conductor
⩥ Three things that can be measured in an electrical circuit:. Answer:
Volts, amps, and resistance
⩥ Electrons flow from ________ to ________ in an electrical circuit.
Answer: negative to positive
⩥ A circuit that has only one pathway for electricity to flow is known as
a. Answer: series circuit
⩥ a circuit that has more than one pathway for electricity to flow is
called a__________. Answer: parallel circuit
, ⩥ A condition caused by a break in a circuit causing current to stop
flowing is known as _________________. Answer: an open circuit
⩥ A wire to wire short circuit is caused how?. Answer: When one one
wire touches another wire causing the circuit to fail.
⩥ A wire to wire short or a wire to ground short will cause what?.
Answer: a light to go dim or to go out
⩥ high resistance in an electrical circuit will cause what involving
lights?. Answer: It causes lights to stay dim
⩥ What will a flasher do?. Answer: makes the blinkers blink
⩥ Automotive fuses are all sized by the amount of what?. Answer: the
amount of amperage they can carry
⩥ If a fuse is blown out and you replaced it, the problem with the circuit
is not fixed; why?. Answer: something caused the circuit to burn out
⩥ when replacing a halogen type headlight, what should you be aware
of?. Answer: NEVER touching a glass bulb with your skin
