Automotive Electrical Basics UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Short-To-Ground - CORRECT ANSWER - If an insulated (power side) wire rubbed
through a part of the insulation and the wire conductor touched the steel body of a vehicle, the
type of failure would be called a(an) ________.
Short-To-Voltage - CORRECT ANSWER - If two insulated wires were to melt together
where the copper conductors touched each other, the type of failure would be called a(an)
________.
4 amperes - CORRECT ANSWER - If 12 volts are being applied to a resistance of 3 ohms,
________ amperes will flow.
14.4 Watts - CORRECT ANSWER - How many watts are consumed by a light bulb if 1.2
amperes are measured when 12 volts are applied?
1500 Watts - CORRECT ANSWER - How many watts are consumed by a starter motor if
it draws 150 amperes at 10 volts?
Slow motor operation, Dim lights and clicking of relay and solenoids - CORRECT
ANSWER - High resistance in a circuit can cause ________.
It increases - CORRECT ANSWER - If the voltage increases in a circuit, what happens to
the current (amperes) if the resistance stays the same?
200 Amperes - CORRECT ANSWER - If 200 amperes flow from the positive terminal of a
battery and operate the starter motor, how many amperes will flow back to the negative terminal
of the battery?
, E - CORRECT ANSWER - What is the symbol for voltage used in calculations?
Short-To-Ground - CORRECT ANSWER - Which circuit is failure is most likely to cause
a fuse to blow?
Continuity - CORRECT ANSWER - A complete circuit that is continuous from source
through loads and back to ground has ________.
The vehicle frame & the metal body of the vehicle - CORRECT ANSWER - The electrical
path to ground may be completed by ________.
May be on either the source or ground side of the circuit and control electrical flow in a circuit -
CORRECT ANSWER - Electrical controls such as switches ________.
May be caused by a blown fuse - CORRECT ANSWER - An open circuit ________.
No current will flow - CORRECT ANSWER - In an incomplete circuit ________.
Neither: It is ALWAYS because a blown fuse or includes an open circuit - CORRECT
ANSWER - A shorted circuit ________.
No current flow past the point of the short & some or all electrical loads may no longer work -
CORRECT ANSWER - In a circuit with a short to ground ________.
Reduces current flow in a circuit - CORRECT ANSWER - High resistance in a circuit
________.
Electrical loads may still operate but less efficiently - CORRECT ANSWER - In a circuit
with high resistance ________.
ACTUAL Exam Questions and CORRECT
Answers
Short-To-Ground - CORRECT ANSWER - If an insulated (power side) wire rubbed
through a part of the insulation and the wire conductor touched the steel body of a vehicle, the
type of failure would be called a(an) ________.
Short-To-Voltage - CORRECT ANSWER - If two insulated wires were to melt together
where the copper conductors touched each other, the type of failure would be called a(an)
________.
4 amperes - CORRECT ANSWER - If 12 volts are being applied to a resistance of 3 ohms,
________ amperes will flow.
14.4 Watts - CORRECT ANSWER - How many watts are consumed by a light bulb if 1.2
amperes are measured when 12 volts are applied?
1500 Watts - CORRECT ANSWER - How many watts are consumed by a starter motor if
it draws 150 amperes at 10 volts?
Slow motor operation, Dim lights and clicking of relay and solenoids - CORRECT
ANSWER - High resistance in a circuit can cause ________.
It increases - CORRECT ANSWER - If the voltage increases in a circuit, what happens to
the current (amperes) if the resistance stays the same?
200 Amperes - CORRECT ANSWER - If 200 amperes flow from the positive terminal of a
battery and operate the starter motor, how many amperes will flow back to the negative terminal
of the battery?
, E - CORRECT ANSWER - What is the symbol for voltage used in calculations?
Short-To-Ground - CORRECT ANSWER - Which circuit is failure is most likely to cause
a fuse to blow?
Continuity - CORRECT ANSWER - A complete circuit that is continuous from source
through loads and back to ground has ________.
The vehicle frame & the metal body of the vehicle - CORRECT ANSWER - The electrical
path to ground may be completed by ________.
May be on either the source or ground side of the circuit and control electrical flow in a circuit -
CORRECT ANSWER - Electrical controls such as switches ________.
May be caused by a blown fuse - CORRECT ANSWER - An open circuit ________.
No current will flow - CORRECT ANSWER - In an incomplete circuit ________.
Neither: It is ALWAYS because a blown fuse or includes an open circuit - CORRECT
ANSWER - A shorted circuit ________.
No current flow past the point of the short & some or all electrical loads may no longer work -
CORRECT ANSWER - In a circuit with a short to ground ________.
Reduces current flow in a circuit - CORRECT ANSWER - High resistance in a circuit
________.
Electrical loads may still operate but less efficiently - CORRECT ANSWER - In a circuit
with high resistance ________.
