Question 1

How should an Ohmmeter be connected into an electrical circuit?

Accepted Answer

A)  In series with the circuit energized 
B)  In parallel with the circuit energized 
C)  In series with the circuit open 
D)  In parallel with the circuit open 
A)  In series with the circuit energized 
B)  In parallel with the circuit energized 
C)  In series with the circuit open 
D)  In parallel with the circuit open

Question 2

Which theory of electrical current flow states that current flows from a negative location to a positive location in an electrical circuit?

Accepted Answer

A)  Kilowatt's law 
B)  Electron theory 
C)  Conventional theory 
D)  Ohm's law 
A)  Kilowatt's law 
B)  Electron theory 
C)  Conventional theory 
D)  Ohm's law

Question 3

What is the reason for using braided copper wire in vehicle electrical circuits rather than solid copper wire?

Accepted Answer

A)  Conducts more current 
B)  Greater flexibility 
C)  More resistant to corrosion 
D)  Conducts at lower temperatures 
A)  Conducts more current 
B)  Greater flexibility 
C)  More resistant to corrosion 
D)  Conducts at lower temperatures

Question 4

INSERT FIGURE 5-29 FROM TEXTBOOK IMMEDIATELY ABOVE THIS QUESTION.Referencing the above figure,use Ohm's Law to calculate current flow.Which of the following is correct?

Accepted Answer

A)  12 amps 
B)  4 amps 
C)  3 amps 
D)  3 ohms 
A)  12 amps 
B)  4 amps 
C)  3 amps 
D)  3 ohms

Question 5

How many electrons are in the outer shell of a semiconductor?

Accepted Answer

A)  2 
B)  4 
C)  8 
D)  16 
A)  2 
B)  4 
C)  8 
D)  16

Question 6

What is the voltage drop across a 2-ohm resistor used in a 12-volt series circuit that is flowing 1.5 amps?

Accepted Answer

A)  3 volts 
B)  9 volts 
C)  12 volts 
D)  1.5 volts 
A)  3 volts 
B)  9 volts 
C)  12 volts 
D)  1.5 volts

Question 7

When two or more atoms are chemically bonded,what is formed?

Accepted Answer

A)  A molecule 
B)  A neutron 
C)  A proton 
D)  An ion 
A)  A molecule 
B)  A neutron 
C)  A proton 
D)  An ion

Question 8

What is visible light,such as that radiated by a light bulb,known as?

Accepted Answer

A)  protons 
B)  photons 
C)  electrons 
D)  neutrons 
A)  protons 
B)  photons 
C)  electrons 
D)  neutrons

Question 9

Which of the following is NOT a true expression of Ohm's law?

Accepted Answer

A)  E = I × R 
B)  Volts = Amps × Ohms 
C)  I = E/R 
D)  Amps = Ohms/Volts 
A)  E = I × R 
B)  Volts = Amps × Ohms 
C)  I = E/R 
D)  Amps = Ohms/Volts

Question 10

Technician A says that a cathode has an excess of electrons.Technician B says when a cathode is connected to an anode by a conductor,electrons will flow from the cathode to the anode.Who is correct?

Accepted Answer

A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B 
A)  Technician A only 
B)  Technician B only 
C)  Both A and B 
D)  Neither A nor B

Question 11

How many volts are required to push 3 amps through a resistance of 4 ohms?

Accepted Answer

A)  1 volt 
B)  12 volts 
C)  7 volts 
D)  1 1/4 volts 
A)  1 volt 
B)  12 volts 
C)  7 volts 
D)  1 1/4 volts

Question 12

Which of the following substances would have the least ability to conduct electricity?

Accepted Answer

A)  Gold 
B)  Copper 
C)  Aluminum 
D)  Rubber 
A)  Gold 
B)  Copper 
C)  Aluminum 
D)  Rubber

Question 13

INSERT FIGURE 5-31 FROM TEXTBOOK IMMEDIATELY ABOVE THIS QUESTION.Referencing the above figure,calculate the voltage drop across the complete series circuit.Which of the following is correct?

Accepted Answer

A)  1.5 volts 
B)  3 volts 
C)  9 volts 
D)  12 volts 
A)  1.5 volts 
B)  3 volts 
C)  9 volts 
D)  12 volts

Question 14

INSERT FIGURE 5-30 FROM TEXTBOOK IMMEDIATELY ABOVE THIS QUESTION.Referencing the above figure,use Ohm's Law to calculate total circuit resistance.Which of the following is correct?

Accepted Answer

A)  1.5 ohms 
B)  3 ohms 
C)  4 ohms 
D)  8 ohms 
A)  1.5 ohms 
B)  3 ohms 
C)  4 ohms 
D)  8 ohms

Question 15

A series circuit has a 12-volt power source and two resistors of 1 ohm and 2 ohms respectively.How many amps will flow when the circuit is closed?

Accepted Answer

A)  4 amps 
B)  3 amps 
C)  6 amps 
D)  15 amps 
A)  4 amps 
B)  3 amps 
C)  6 amps 
D)  15 amps

Question 16

If a terminal has a deficit of electrons,it would be known as a:

Accepted Answer

A)  cathode 
B)  anode 
C)  electrode 
D)  neutral post 
A)  cathode 
B)  anode 
C)  electrode 
D)  neutral post

Exam 5: Fundamentals of Electricity

How should an Ohmmeter be connected into an electrical circuit?

Which theory of electrical current flow states that current flows from a negative location to a positive location in an electrical circuit?

What is the reason for using braided copper wire in vehicle electrical circuits rather than solid copper wire?

INSERT FIGURE 5-29 FROM TEXTBOOK IMMEDIATELY ABOVE THIS QUESTION.Referencing the above figure,use Ohm's Law to calculate current flow.Which of the following is correct?

How many electrons are in the outer shell of a semiconductor?

What is the voltage drop across a 2-ohm resistor used in a 12-volt series circuit that is flowing 1.5 amps?

When two or more atoms are chemically bonded,what is formed?

What is visible light,such as that radiated by a light bulb,known as?

Which of the following is NOT a true expression of Ohm's law?

Technician A says that a cathode has an excess of electrons.Technician B says when a cathode is connected to an anode by a conductor,electrons will flow from the cathode to the anode.Who is correct?

How many volts are required to push 3 amps through a resistance of 4 ohms?

Which of the following substances would have the least ability to conduct electricity?

INSERT FIGURE 5-31 FROM TEXTBOOK IMMEDIATELY ABOVE THIS QUESTION.Referencing the above figure,calculate the voltage drop across the complete series circuit.Which of the following is correct?

INSERT FIGURE 5-30 FROM TEXTBOOK IMMEDIATELY ABOVE THIS QUESTION.Referencing the above figure,use Ohm's Law to calculate total circuit resistance.Which of the following is correct?

A series circuit has a 12-volt power source and two resistors of 1 ohm and 2 ohms respectively.How many amps will flow when the circuit is closed?

If a terminal has a deficit of electrons,it would be known as a:

Introduction to Servicing Heavy-Duty Trucks

Shop Safety and Operations

Tools and Fasteners

Preventive Maintenance Program

Fundamentals of Electronics and Computers

Batteries

Charging Systems

Cranking Systems

Chassis Electrical Circuits

Diagnosis and Repair of Electronic Circuits

Multiplexing

Hydraulics

Clutches

Standard Transmissions

Standard Transmission Servicing

Torque Converters

Automatic Transmissions

Automatic Transmission Maintenance

Electronically Automated Standard Transmissions

Electronically Controlled Automatic Transmissions Ecats

Driveshaft Assemblies

Heavy-Duty Truck Axles

Heavy-Duty Truck Axle Service and Repair

Steering and Alignment

Suspension Systems

Wheels and Tires

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Hydraulic Brakes and Air-Over-Hydraulic Brake Systems

Abs and Ebs

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Heavy-Duty Heating, ventilation, and Air Conditioning Systems

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