Circuit Basics and Symbols

Front

What is the symbol for a wire in a circuit?

Back

The symbol for a wire is a straight line.

Front

What is the power source in a circuit?

Back

The power source in a circuit is typically a battery.

Front

What does it mean if a switch is open?

Back

If a switch is open, it means the circuit is incomplete and electricity cannot flow.

Front

What is a current?

Back

A current is a constant flow of electricity.

Front

What is the circuit symbol for an ammeter?

Back

The circuit symbol for an ammeter is a circle with an 'A' inside.

Front

What is the function of a battery in a circuit?

Back

A battery provides the electrical energy needed to power the circuit.

Front

What does a closed switch indicate in a circuit?

Back

A closed switch indicates that the circuit is complete and electricity can flow.

Front

What is the role of a fuse in a circuit?

Back

A fuse protects the circuit by breaking the connection if the current is too high.

Front

What is the difference between AC and DC current?

Back

AC (Alternating Current) changes direction periodically, while DC (Direct Current) flows in one direction.

Front

What does a voltmeter measure?

Back

A voltmeter measures the voltage across two points in a circuit.