120 Auto Mechanics Electricity Exam
Questions and Answers 100% Solved
Which of the following methods can be used to form an electrical current?
a. Magnetic induction.
b. Chemical reaction.
c. Heat.
d. All of the above.
e. None of the above. - ✔✔d. All of the above.
In a parallel circuit:
a. Total resistance is the sum of all of the resistances in the circuit.
b. Total resistance is less than the lowest resistor.
c. Amperage will decrease as more branches are added.
d. All of the above. - ✔✔Total resistance is less than the lowest resistor.
All of the following concerning voltage drop are true EXCEPT:
a.All of the voltage from the source must be dropped before it returns to the
source.
b. Corrosion is not a contributor to voltage drop.
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, c. Voltage drop is the conversion of electrical energy into another energy
form.
d. Voltage drop can be measured with a voltmeter. - ✔✔b. Corrosion is not
a contributor to voltage drop.
All of the following concerning voltage are true EXCEPT:
a. Voltage is the electrical pressure that causes electrons to move.
b. Voltage will exist between any two points in a circuit unless the potential
drops to zero.
c. Voltage is A × R.
d. In a series circuit, voltage is the same at all points in the circuit. - ✔✔d.
In a series circuit, voltage is the same at all points in the circuit.
Wattage is:
a. A measure of the total electrical work being performed.
b. Expressed as P = R x A.
c. Both A and B.
d. Neither A nor B. - ✔✔a. A measure of the total electrical work being
performed.
Which answer is incorrect concerning a series circuit?
a. Total resistance is the sum of all of the resistances in the circuit.
b. Total resistance is less than the lowest resistor.
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
Questions and Answers 100% Solved
Which of the following methods can be used to form an electrical current?
a. Magnetic induction.
b. Chemical reaction.
c. Heat.
d. All of the above.
e. None of the above. - ✔✔d. All of the above.
In a parallel circuit:
a. Total resistance is the sum of all of the resistances in the circuit.
b. Total resistance is less than the lowest resistor.
c. Amperage will decrease as more branches are added.
d. All of the above. - ✔✔Total resistance is less than the lowest resistor.
All of the following concerning voltage drop are true EXCEPT:
a.All of the voltage from the source must be dropped before it returns to the
source.
b. Corrosion is not a contributor to voltage drop.
1
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
, c. Voltage drop is the conversion of electrical energy into another energy
form.
d. Voltage drop can be measured with a voltmeter. - ✔✔b. Corrosion is not
a contributor to voltage drop.
All of the following concerning voltage are true EXCEPT:
a. Voltage is the electrical pressure that causes electrons to move.
b. Voltage will exist between any two points in a circuit unless the potential
drops to zero.
c. Voltage is A × R.
d. In a series circuit, voltage is the same at all points in the circuit. - ✔✔d.
In a series circuit, voltage is the same at all points in the circuit.
Wattage is:
a. A measure of the total electrical work being performed.
b. Expressed as P = R x A.
c. Both A and B.
d. Neither A nor B. - ✔✔a. A measure of the total electrical work being
performed.
Which answer is incorrect concerning a series circuit?
a. Total resistance is the sum of all of the resistances in the circuit.
b. Total resistance is less than the lowest resistor.
2
©NINJANERD 2025/2026. YEAR PUBLISHED 2025.
