Question 1

To find the resistance of a circuit, divide the amperage by the voltage ( I/R ) .

Accepted Answer

A) True 
 B)False

Question 2

A 12-volt test light is touched into a connector. The light goes on. Following the conductor forward (toward the load), the next connector is probed with no light. What does this indicate?

Accepted Answer

A)  Nothing is wrong 
B)  An open load 
C)  An open before the first connector 
D)  An open circuit between the two points 
A)  Nothing is wrong 
B)  An open load 
C)  An open before the first connector 
D)  An open circuit between the two points

Question 3

Photovoltaics (PV) is one of the forces that can be used to generate electrical current by converting solar ____ through the use of solar cells.

Accepted Answer

A)  wind 
B)  iridescence 
C)  photons 
D)  radiation 
A)  wind 
B)  iridescence 
C)  photons 
D)  radiation

Question 4

Technician A says voltage will not exist between any two points in a circuit if the potential is zero. Technician B says corrosion is NOT a contributing factor to voltage drop. Who is correct?

Accepted Answer

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

Question 5

Explain the term duty cycle.

Accepted Answer

Duty cycle is the percentage o

Question 6

While using a test light to check for voltage, the lamp illuminates bright. Technician A says this indicates that the circuit can handle the load that is required by the test light. Technician B says the amperage to turn on the  light is dependent on the type and rating of the bulb. Who is correct?

Accepted Answer

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

Question 7

A jumper wire is used to bypass a load device.

Accepted Answer

A) True 
 B)False

Question 8

In a closed circuit with a capacitor, when will the current stop flowing?

Accepted Answer

A)  When the voltage charge across the capacitor plates becomes less than the source voltage 
B)  When the voltage charge across the capacitor plates becomes equal to the source voltage 
C)  When the voltage charge across the capacitor plates becomes greater than the source voltage 
D)  When the voltage charge across the capacitor plates becomes equal to the resistance of the plates 
A)  When the voltage charge across the capacitor plates becomes less than the source voltage 
B)  When the voltage charge across the capacitor plates becomes equal to the source voltage 
C)  When the voltage charge across the capacitor plates becomes greater than the source voltage 
D)  When the voltage charge across the capacitor plates becomes equal to the resistance of the plates

Question 9

What is voltage drop?

Accepted Answer

A)  Voltage used up when pushing current through a resistance 
B)  Current used to go through a resistance 
C)  Electrons used to go through a resistance 
D)  All of the above 
A)  Voltage used up when pushing current through a resistance 
B)  Current used to go through a resistance 
C)  Electrons used to go through a resistance 
D)  All of the above

Question 10

Most technicians today use lab scopes to diagnose computer-controlled circuits.

Accepted Answer

A) True 
 B)False

Question 11

What is electrical noise?

Accepted Answer

Electrical noise is an unwante

Question 12

Technician A says horizontial adjustment of an oscilloscope affects the time-per-division values. Technician B says changing the vertical adjustment of an oscilloscope affects the volts-per-division values. Who is correct?

Accepted Answer

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

Question 13

Three 10-ohm resistors are wired in parallel. What is the total resistance?

Accepted Answer

A)  30 ohms 
B)  10 ohms 
C)  33 ohms 
D)  3.3 ohms 
A)  30 ohms 
B)  10 ohms 
C)  33 ohms 
D)  3.3 ohms

Question 14

Which of the following statements is most correct?

Accepted Answer

A)  Voltage drop testing tests the circuit while under load 
B)  An ammeter must be connected in parallel to the load 
C)  An ohmmeter tests the circuit under a simulated loa 
D)  An insulation meter is used to measure high vo 
A)  Voltage drop testing tests the circuit while under load 
B)  An ammeter must be connected in parallel to the load 
C)  An ohmmeter tests the circuit under a simulated loa 
D)  An insulation meter is used to measure high vo

Question 15

What is the amperage flowing through a 36 watt bulb in a 12 volt circuit?

Accepted Answer

A)  432 amps 
B)  3 amps 
C)  12 amps 
D)  0.3 amps 
A)  432 amps 
B)  3 amps 
C)  12 amps 
D)  0.3 amps

Question 16

A digital multimeter is faster at detecting voltage changes in a circuit than a lab scope.

Accepted Answer

A) True 
 B)False

Question 17

A taillight bulb is glowing dimly. A voltmeter placed across the bulb reads 4 volts. Technician A says there may be excessive resistance in the ground circuit. Technician B says there may be excessive resistance in the power feed circuit. Who is correct?

Accepted Answer

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

Question 18

A closed circuit is a completed path for the flow of electricity starting from a source and returning to the source.

Accepted Answer

A) True 
 B)False

Question 19

Resistance is measured in what unit?

Accepted Answer

The answer of Resistance is measured in what unit?...

Question 20

Corrosion is not a contributor to voltage drop.

Accepted Answer

A) True 
 B)False

To find the resistance of a circuit, divide the amperage by the voltage ( I/R ) .

A 12-volt test light is touched into a connector. The light goes on. Following the conductor forward (toward the load), the next connector is probed with no light. What does this indicate?

Photovoltaics (PV) is one of the forces that can be used to generate electrical current by converting solar ____ through the use of solar cells.

Technician A says voltage will not exist between any two points in a circuit if the potential is zero. Technician B says corrosion is NOT a contributing factor to voltage drop. Who is correct?

Explain the term duty cycle.

While using a test light to check for voltage, the lamp illuminates bright. Technician A says this indicates that the circuit can handle the load that is required by the test light. Technician B says the amperage to turn on the light is dependent on the type and rating of the bulb. Who is correct?

A jumper wire is used to bypass a load device.

In a closed circuit with a capacitor, when will the current stop flowing?

What is voltage drop?

Most technicians today use lab scopes to diagnose computer-controlled circuits.

What is electrical noise?

Technician A says horizontial adjustment of an oscilloscope affects the time-per-division values. Technician B says changing the vertical adjustment of an oscilloscope affects the volts-per-division values. Who is correct?

Three 10-ohm resistors are wired in parallel. What is the total resistance?

Which of the following statements is most correct?

What is the amperage flowing through a 36 watt bulb in a 12 volt circuit?

A digital multimeter is faster at detecting voltage changes in a circuit than a lab scope.

A taillight bulb is glowing dimly. A voltmeter placed across the bulb reads 4 volts. Technician A says there may be excessive resistance in the ground circuit. Technician B says there may be excessive resistance in the power feed circuit. Who is correct?

A closed circuit is a completed path for the flow of electricity starting from a source and returning to the source.

Resistance is measured in what unit?

Corrosion is not a contributor to voltage drop.

Introduction to Automotive Electrical and Electronic Systems Safety

Electrical and Electronic Componentsbasic Electrical Troubleshooting and Service

Wiring and Circuit Diagramswiring Repair and Reading Circuit Diagrams

Automotive Batteriesbattery Diagnosis and Service

Starting Systems and Motor Designsstarting System Diagnosis and Service

Charging Systemscharging System Testing and Service

Introduction to the Body Computerbody Computer System Diagnosis

Computer Inputssensor Diagnostic Routines

Vehicle Communication Networksvehicle Multiplexing Diagnostics

Lighting Circuitslighting Circuits Repair and Diagnosis

Instrumentation and Warning Lampsinstrumentation and Warning Lamp System Diagnosis and Repair

Accessorieselectrical Accessories Diagnosis and Repair

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Exam 2: Basic Theoriesspecial Tools and Procedures

To find the resistance of a circuit, divide the amperage by the voltage ( I/R ) .

A 12-volt test light is touched into a connector. The light goes on. Following the conductor forward (toward the load), the next connector is probed with no light. What does this indicate?

Photovoltaics (PV) is one of the forces that can be used to generate electrical current by converting solar ____ through the use of solar cells.

Technician A says voltage will not exist between any two points in a circuit if the potential is zero. Technician B says corrosion is NOT a contributing factor to voltage drop. Who is correct?

Explain the term duty cycle.

While using a test light to check for voltage, the lamp illuminates bright. Technician A says this indicates that the circuit can handle the load that is required by the test light. Technician B says the amperage to turn on the light is dependent on the type and rating of the bulb. Who is correct?

A jumper wire is used to bypass a load device.

In a closed circuit with a capacitor, when will the current stop flowing?

What is voltage drop?

Most technicians today use lab scopes to diagnose computer-controlled circuits.

What is electrical noise?

Technician A says horizontial adjustment of an oscilloscope affects the time-per-division values. Technician B says changing the vertical adjustment of an oscilloscope affects the volts-per-division values. Who is correct?

Three 10-ohm resistors are wired in parallel. What is the total resistance?

Which of the following statements is most correct?

What is the amperage flowing through a 36 watt bulb in a 12 volt circuit?

A digital multimeter is faster at detecting voltage changes in a circuit than a lab scope.

A taillight bulb is glowing dimly. A voltmeter placed across the bulb reads 4 volts. Technician A says there may be excessive resistance in the ground circuit. Technician B says there may be excessive resistance in the power feed circuit. Who is correct?

A closed circuit is a completed path for the flow of electricity starting from a source and returning to the source.

Resistance is measured in what unit?

Corrosion is not a contributor to voltage drop.

Introduction to Automotive Electrical and Electronic Systems Safety

Electrical and Electronic Componentsbasic Electrical Troubleshooting and Service

Wiring and Circuit Diagramswiring Repair and Reading Circuit Diagrams

Automotive Batteriesbattery Diagnosis and Service

Starting Systems and Motor Designsstarting System Diagnosis and Service

Charging Systemscharging System Testing and Service

Introduction to the Body Computerbody Computer System Diagnosis

Computer Inputssensor Diagnostic Routines

Vehicle Communication Networksvehicle Multiplexing Diagnostics

Lighting Circuitslighting Circuits Repair and Diagnosis

Instrumentation and Warning Lampsinstrumentation and Warning Lamp System Diagnosis and Repair

Accessorieselectrical Accessories Diagnosis and Repair

Radio Frequency and Infotainment Systemsservicing Radio Frequency and Infotainment Systems

Passive Restraint and Vehicle Safety Systemsservicing Passive Restraint and Vehicle Safety Systems

Vehicles With Alternative Power Sourceshybrid and High-Voltage System Service

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