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Electrical Circuits and Relays

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Questions and Answers

What is the primary purpose of connecting the battery's negative terminal to the chassis?

To provide a power source for the starter motor
To establish a central grounding point for the electrical system (correct)
To increase the voltage output of the battery
To reduce the risk of electrical shock

What is the effect of a lower gorge number on an electrical wire?

The wire becomes less flexible and more prone to breakage
The wire becomes thicker and more efficient for high-current applications (correct)
The wire becomes more susceptible to electrical interference
The wire becomes thinner and more prone to electrical resistance

What is the typical characteristic of electrical wires used for power transmission in a vehicle?

Thicker and lower gorge number (correct)
Stranded core and braided with copper
Solid core and insulated with rubber
Thinner and higher gorge number

Why is it essential to ensure a consistent ground reference in a vehicle's electrical system?

To reduce the risk of electrical shock and enhance system safety and reliability (D) Signup and view all the answers

What is the primary difference between solid and stranded electrical wires?

The number of strands in the wire (A) Signup and view all the answers

What is the primary function of the electrical wires in a vehicle?

To transmit electrical current from one point to another (C) Signup and view all the answers

Why do data wires from sensors typically use a higher gorge number?

To accommodate the low current and high frequency signals (B) Signup and view all the answers

What is the primary concern in electrical circuit design for a vehicle?

Ensuring electrical safety and reliability (A) Signup and view all the answers

What is the effect of a poor ground connection on the electrical system?

It causes the electrical system to malfunction (C) Signup and view all the answers

Why is it important to ensure that electrical wires are properly sized for their application?

To ensure safe and efficient transmission of electrical current (C) Signup and view all the answers

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