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Exams & Certifications

8th Grade Circuit Theory Quizzes, Questions & Answers

8th Grade

Top Trending Circuit Theory Quizzes

This quiz on 'Physical Science: Ohm's Law' assesses understanding of basic electrical concepts including voltage, current, and resistance calculations. It's ideal for learners looking to reinforce their knowledge in practical...

Questions: 9 | Attempts: 2480 | Last updated: Mar 20, 2025

Sample Question
If the voltage is 12 V and the resistance in the wire is 3 Ω, what is the the current in the circuit?

6 A

2 A

12 A

4 A

36 A

Ohmic Obstacles: Resistance To Electric Current Quiz

Resistance is defined as the opposition to current flow in an electrical circuit. Play this exciting quiz that covers topics from resistance to electric current to gauge your knowledge. The quiz contains various questions ranging...

Questions: 26 | Attempts: 1361 | Last updated: Oct 23, 2025

Sample Question
In which unit is the potential difference measured?

Ampere

Ohm

Volt

Watt

5.2.3 Electric Circuits - Resistors In Series/Parallel

This quiz focuses on electric circuits, specifically calculating the equivalent resistance of resistors arranged in series and parallel. It also covers the properties of ideal voltmeters and ammeters, and the behavior of...

Questions: 9 | Attempts: 684 | Last updated: Mar 21, 2025

Sample Question
3 resistors of 4 ohms are placed in series - what is their combined (equivalent) resistance?

1 ohm

3 ohms

6 ohms

12 ohms

24 ohms

81 ohms

Ohmic and Non Ohmic Devices

Explore the fundamentals of Ohmic and Non-Ohmic devices in this quiz. Assess your understanding of electrical resistance, Ohm's Law, and device behavior under different voltages and currents. Ideal for learners aiming to grasp...

Questions: 5 | Attempts: 561 | Last updated: Feb 13, 2025

Sample Question
The current flowing in an Ohmic device was measured at 3 Amps. If the supply Voltage was 9 Volts what was the Resistance across the device?

0.33 Ohms

3 Ohms

27 Ohms

Cannot be determined

5.1.5 - 5.1.10 Electric Circuits

This quiz, titled '5.1.5 - 5.1.10 Electric Circuits', assesses understanding of key concepts in electricity including resistance, Ohm's Law, and power calculation. It evaluates practical knowledge on how changes in physical...

Questions: 8 | Attempts: 137 | Last updated: Feb 21, 2025

Sample Question
What is the best definition of Resistance?

V/I

The ability to stop a flow of current

The impedence of the flow of current

The PD divided by current through a component

Recent Circuit Theory Quizzes

Current And Voltage In Circuits Quiz

Questions: 10 | Attempts: 2212 | Last updated: Aug 22, 2025

Sample Question
What is the basic unit of voltage?

Watts

Volts

Coulombs

Amperes

The Return Of Current Electricity

Questions: 17 | Attempts: 302 | Last updated: Feb 2, 2025

Sample Question
In the circuit shown above, component Y can gradually change the brightness of the bulb.What is component Y?

An ammeter

A fixed resistor

A variable resistor

A voltmeter

Year 9 Electric Circuit Test

Questions: 54 | Attempts: 12318 | Last updated: Oct 15, 2025

Sample Question
Electric current in a/an ____________________ circuit travels in MORE THAN ONE path.

Series

Wire

Parallel

Connected

EMF, Potential Difference And Current

Questions: 8 | Attempts: 509 | Last updated: Mar 18, 2025

Sample Question
A charge of 2 C flows through a wire over a period of 10 s. What is the current?

20 A

0.2 A

0.02 A

2.0 A