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9th Grade Circuit Theory Quizzes, Questions & Answers

9th Grade

Top Trending Circuit Theory Quizzes

You must have read about electricity and electric circuits during your Science class. The quiz below tests your knowledge of the year 9 electric circuits. As part of the larger Science subject, electric circuits are taught....

Questions: 54 | Attempts: 12245 | Last updated: Oct 15, 2025

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

Series

Wire

Parallel

Connected

Current And Voltage In Circuits Quiz

We welcome you all to this current and voltage in circuits quiz! Do you think you are well versed on the topic of current & voltage? If you said yes, wouldn't it be fun to take a quiz and test your knowledge? Are you...

Questions: 10 | Attempts: 2184 | Last updated: Aug 22, 2025

Sample Question
What is the basic unit of voltage?

Watts

Volts

Coulombs

Amperes

The Return Of Current Electricity

Explore the intricacies of electrical circuits in 'THE RETURN OF CURRENT ELECTRICITY'. This quiz tests your understanding of circuit components, current distribution, and voltage analysis. Enhance your skills in analyzing and...

Questions: 17 | Attempts: 301 | 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

EMF, Potential Difference and Current

explain and apply the concept of ‘electric current’ as the rate of flow of electric charge in an electric field—this will include applying the relationship: I=q/t state that the direction of...

Questions: 8 | Attempts: 507 | 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

Recent Circuit Theory Quizzes

Ohmic and Non Ohmic Devices

Questions: 5 | Attempts: 558 | 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

Ohmic Obstacles: Resistance To Electric Current Quiz

Questions: 26 | Attempts: 1359 | 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

Questions: 9 | Attempts: 681 | 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

5.1.5 - 5.1.10 Electric Circuits

Questions: 8 | Attempts: 135 | 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

Physical Sciece: Ohm's Law

Questions: 9 | Attempts: 2471 | 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