Circuits

Front

What is a circuit?

Back

A circuit is a closed loop that allows electricity to flow from a power source to a device and back again.

Front

What is the difference between a series circuit and a parallel circuit?

Back

In a series circuit, components are connected end-to-end, so the current flows through each component one after another. In a parallel circuit, components are connected across common points, allowing current to flow through multiple paths.

Front

What is current?

Back

Current is the flow of electric charge through a conductor, measured in amperes (A).

Front

What is voltage?

Back

Voltage is the electrical force that pushes electric charges through a circuit, measured in volts (V).

Front

What is resistance?

Back

Resistance is the opposition to the flow of electric current, measured in ohms (Ω).

Front

What happens to the total resistance in a series circuit when more resistors are added?

Back

The total resistance increases as more resistors are added in a series circuit.

Front

What happens to the total resistance in a parallel circuit when more resistors are added?

Back

The total resistance decreases as more resistors are added in a parallel circuit.

Front

What is a switch in a circuit?

Back

A switch is a device that can open or close a circuit, controlling the flow of electricity.

Front

What is a conductor?

Back

A conductor is a material that allows electric current to flow through it easily, such as copper or aluminum.

Front

What is an insulator?

Back

An insulator is a material that resists the flow of electric current, such as rubber or glass.