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An educational illustration depicting electrical circuits, including series and parallel configurations, voltmeters, ammeters, fuses, and a diagram showing Ohm's law. The image should be vibrant and engaging, suitable for a quiz landing page.

Electrical Circuits Quiz

Test your knowledge of electrical circuits with our comprehensive quiz designed for both beginners and enthusiasts. This quiz covers various aspects of circuits, including their basic components, operational states, Ohm's Law, and circuit protection devices.

With 10 challenging questions, you will learn about:

Types of circuits
Ohm's Law fundamentals
Electrical circuit safety
Common issues in circuit design

10 Questions2 MinutesCreated by WiringGuru420

1.Which of the following are basic parts of an electrical circuit?

Power source

Conductors

Loads

All of the choices are correct.

2.Which of the following statements is/are correct concerning the term operational state?

Open and closed are the terms used to describe whether current is flowing through a circuit.

An open circuit's electrical pathway is broken or unconnected.

An open circuit means current cannot flow because there is an open gap between two ends of the circuit.

All of the choices are correct.

3.Which of the following is NOT correct concerning parallel circuits?

There are two or more pathways for the current.

The voltage applied to each branch is the same through-out the circuit.

If one branch of the circuit is broken current will continue to flow in the other branches.

Total circuit resistance is always more than the resistance of the smallest resister.

4.Which of the following is/are correct concerning combination circuits?

Combination circuits use elements both parallel and series circuits.

Combination circuits are the most common types used in a commercial vehicle chassis.

Typically, the power and control circuits are in series, but the loads are in parallel.

All of the choices are correct.

5.Which of the following is NOT correct concerning Ohm's law?

Ohm's law is often used by a technician.

An understanding of Ohm's law can help you better understand how electricity behaves.

Ohm's law defines the relationship between current, resistance, and voltage.

Simply stated, Ohm's law requires one volt to push one amp of current through a circuit that has a resistance of one ohm.

6.Why do heavy vehicles often use a 24-volt system?

Reducing amperage not only reduces resistance but the size of conductors.

Voltage drops in the system are reduced.

Both Reducing amperage not only reduces resistance but the size of conductors and Voltage drops in the system are reduced.

Neither Reducing amperage not only reduces resistance but the size of conductors nor Voltage drops in the system are reduced.

7.Which of the following is/are common points for resistances to develop?

Battery terminals

Light bulb sockets

Connector sockets

All of the choices are correct

10.Which of the following is/ are correct concerning inspecting and testing circuit protection devices?

Protection devices such as fuses and fusible links are sacrificial, meaning that if excessive current flows, they will blow or trip and have to be replaced.

Circuit breakers can be reset.

Fuses, fusible links and circuit breakers are available in various ratings, types and sizes, and must always be replaced with the same rating and type.

All of the choices are correct.

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Electrical Circuits Quiz

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