Electric Circuits Quiz

What does a simple circuit consist of?

• A. A power source, two conducting wires, and a device

• B. A power source, three conducting wires, and a device

• C. A power source, two conducting wires, and a switch

• D. A power source, three conducting wires, and a switch

What happens to the lamp in a closed circuit?

• A. It turns off

• B. It flickers

• C. It lights up

• D. It dims

Can you name some examples of loads?

• A. Light bulbs, electric motors, and speakers

• B. Light bulbs, batteries, and switches

• C. Electric motors, batteries, and wires

• D. Speakers, switches, and wires

What is a generator?

• A. A device which interrupts the circuit

• B. A device which provides power

• C. A device which consumes electric power

• D. A protective device

What is the function of a switch?

• A. To provide power

• B. To consume electric power

• C. To interrupt the circuit

• D. To act as a protective device

When does a short circuit occur?

• A. When there is a drop in the resistance or a broken insulation

• B. When there is an increase in the resistance or a broken insulation

• C. When there is a drop in the voltage or a broken insulation

• D. When there is an increase in the voltage or a broken insulation

What can we use to prevent short circuits?

• A. Switches

• B. Generators

• C. Fuses

• D. Loads

How does a fuse work?

• A. It provides power to the circuit

• B. It consumes electric power

• C. It melts when too much current flows through it, interrupting the circuit

• D. It stores electrical energy

What are the two different ways in which components of a circuit can be wired?

• Series and parallel

• Series and perpendicular

• Parallel and perpendicular

• Series and diagonal

In a series circuit, the current flows from the negative terminal to the ________ terminal.

• Positive

• Neutral

• Ground

• Negative