Circuit Basics and Symbols

Front

An object through which electrons can easily flow is called a(n) ___________.

Back

Conductor

Front

This is the symbol for a __________.

Back

Bulb

Front

What is this symbol?

Back

Buzzer

Front

True or False: All materials have the same amount of resistance.

Back

False

Front

What is this symbol?

Back

2 cell battery

Front

What is the function of a switch in a circuit?

Back

To open or close the circuit, controlling the flow of electricity.

Front

What does an insulator do?

Back

It resists the flow of electricity.

Front

What is the symbol for a battery?

Back

A long line (positive terminal) and a short line (negative terminal) in parallel.

Front

What is resistance in a circuit?

Back

The opposition to the flow of electric current.

Front

What is the purpose of a fuse in a circuit?

Back

To protect the circuit by breaking the connection if the current is too high.