Electrical Circuits Trivia Quiz

Reviewed by Matt Balanda

Matt Balanda, BS (Aerospace Engineering) |

Science Teacher

Review Board Member

Matt Balanda, a Calvary Chapel Christian School leader with a Bachelor's in Aerospace Engineering and Mathematics, transitioned from Aerospace Engineering to Education with a Master's from California Baptist University. As the High School Vice-Principal and Physics teacher, he nurtures students' love of learning and faith, creating an enriching and transformational educational experience.

, BS (Aerospace Engineering)

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| By Raniskat

Raniskat

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Quizzes Created: 1 | Total Attempts: 24,785

Questions: 10 | Attempts: 24,811 | Updated: Oct 15, 2024

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Do you think you know everything there is to know about electrical circuits? Do you think you can pass this trivia quiz? An electrical circuit is an interconnectedness of electrical components. An electrical circuit is comprised of batteries, resistors, inductors, capacitors, switches, and transistors. An electrical system consists of a closed-loop, which is an entire route that an electric current can flow around. This quiz will help you better understand electrical circuits. Don't neglect to procure your certificate when you have completed the quiz.

Questions and Answers

1.

Which of the following describes a series circuit?
- A.
  
  Current flows along each branch
- B.
  
  Bulbs are all in a loop
- C.
  
  If one bulb breaks the other one still works
- D.
  
  All the open switches in the circuit
Correct Answer
B. Bulbs are all in a loop

Explanation
In a series circuit, all components are connected in a single loop, so the current flows through each component in turn. This means that if one bulb breaks, the circuit is broken, and none of the other bulbs will work. In contrast, option (a) describes a parallel circuit, where the current divides among multiple branches.

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2.

Which of the following describes a parallel circuit?
- A.
  
  All bulbs light up together
- B.
  
  If one bulb breaks the circuit is broken
- C.
  
  Current flows along each branch
- D.
  
  The bulbs light up alternatively
Correct Answer
C. Current flows along each branch

Explanation
In a parallel circuit, the current flows along each branch separately. This means that each component, like a bulb, is connected across the same two points in the circuit, allowing each one to operate independently. If one bulb breaks, the other bulbs will continue to light up because the other branches are not affected. The options "all bulbs light up together" and "bulbs light up alternatively" are not specific to parallel circuits, and "if one bulb breaks the circuit is broken" describes a series circuit.

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3.

What units does the electrical current have?
- A.
  
  Amps
- B.
  
  Volts
- C.
  
  Power
- D.
  
  A square
Correct Answer
A. Amps

Explanation
The unit for electrical current is amps, short for amperes. It is a measure of the flow of electric charge in a circuit. Amps represent the rate at which electric charges pass through a given point in a conductor. It is a fundamental unit in the International System of Units (SI) for measuring electric current.

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4.

What is the symbol of a bulb?
- A.
  
  A rectangle
- B.
  
  A circle with an x
- C.
  
  One big and one small line
- D.
  
  A square
Correct Answer
B. A circle with an x

Explanation
The symbol of a bulb is a circle with an x. This symbol is commonly used to represent a light bulb in various contexts, such as on electrical switches or in diagrams. The circle represents the bulb, while the x inside it indicates that the bulb is turned off or not functioning.

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34
4
5.

What type of circuit do we find in our houses?
- A.
  
  Parallel
- B.
  
  Series
- C.
  
  Series-Parallel
- D.
  
  Star-Delta
Correct Answer
A. Parallel

Explanation
In our houses, we find parallel circuits. A parallel circuit is a type of circuit where the components are connected in such a way that there are multiple paths for the current to flow. In a parallel circuit, each component is connected across the same voltage source, allowing independent current flow through each component. This type of circuit is commonly used in household wiring as it allows appliances and devices to operate independently without affecting each other.

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8
6.

When you move, your brain uses electrical signals. these are called
- A.
  
  Nerve signals
- B.
  
  Electrical signals
- C.
  
  Impulses
- D.
  
  Nerve electric signals
Correct Answer
C. Impulses

Explanation
When you move, your brain sends out electrical signals called impulses. These impulses travel through your nerves to the muscles, allowing them to contract and produce movement.

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24
8
7.

If your heart stops, doctors can start it again by using a
- A.
  
  Electric shocker
- B.
  
  Defibrillator
- C.
  
  Pacemaker
- D.
  
  None of the above
Correct Answer
B. Defibrillator

Explanation
A defibrillator is a medical device used to deliver an electric shock to the heart in order to restore normal heart rhythm. It is commonly used in emergency situations such as cardiac arrest when the heart has stopped beating effectively.

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8.

When you skin is wet, electricity can pass through you
- A.
  
  Easier
- B.
  
  Harder
- C.
  
  The same
- D.
  
  None of the above
Correct Answer
A. Easier

Explanation
When your skin is wet, it becomes a better conductor of electricity compared to dry skin. This is because water is a good conductor of electricity, and when your skin is wet, it provides a pathway for the electrical current to flow through your body more easily. Therefore, the correct answer is "easier."

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8
9.

What is the function of an ammeter?
- A.
  
  It measure the energy spent in the circuit
- B.
  
  It measures the flow of electricity around the circuit
- C.
  
  It measures the flow of current in the circuit
- D.
  
  It is used to complete the circuit
Correct Answer
C. It measures the flow of current in the circuit

Explanation
The function of an ammeter is to measure the flow of electricity or current in a circuit. It is used to determine the amount of current passing through a particular point in the circuit. By measuring the flow of electricity, an ammeter helps in monitoring and analyzing the electrical behavior of the circuit.

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5
10.

A circuit has one lamp and a cell. What is most likely to happen if you add more cells to complete the circuit?
- A.
  
  The circuit will not work.
- B.
  
  The circuit will overload
- C.
  
  The bulb will get dimmer
- D.
  
  The bulb will get brighter
Correct Answer
D. The bulb will get brighter

Explanation
When more cells are added to the circuit, the voltage across the circuit will increase. This increase in voltage will result in a higher current flowing through the circuit. As a result, the filament in the lamp will become hotter and emit more light, causing the bulb to get brighter.

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Matt Balanda |BS (Aerospace Engineering) |

Science Teacher

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Oct 15, 2024

Quiz Edited by
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Expert Reviewed by
Matt Balanda
May 21, 2010

Quiz Created by
Raniskat

Electrical Circuits Trivia Quiz

Which of the following describes a series circuit?

Which of the following describes a parallel circuit?

What units does the electrical current have?

What is the symbol of a bulb?

What type of circuit do we find in our houses?

When you move, your brain uses electrical signals. these are called

If your heart stops, doctors can start it again by using a

When you skin is wet, electricity can pass through you

What is the function of an ammeter?

A circuit has one lamp and a cell. What is most likely to happen if you add more cells to complete the circuit?