Circuit symbols

Front

What is the circuit symbol for a single cell?

Back

A single cell is represented by a long line (positive terminal) and a short line (negative terminal) in circuit diagrams.

Front

What does the circuit symbol for a battery look like?

Back

A battery is represented by two or more long and short lines in parallel, indicating multiple cells.

Front

What is the symbol for a variable resistor?

Back

A variable resistor is represented by a zigzag line with an arrow pointing to it.

Front

What does the symbol for a Light Dependent Resistor (LDR) look like?

Back

An LDR is represented by a rectangle with a light ray symbol (an arrow) pointing towards it.

Front

What is the circuit symbol for a switch?

Back

A switch is represented by a break in a line with a small lever or dot indicating the open or closed position.

Front

What is the function of a resistor in a circuit?

Back

A resistor limits the flow of electric current in a circuit.

Front

How is a fuse represented in circuit diagrams?

Back

A fuse is represented by a rectangle with a line through it, indicating a break in the circuit.

Front

What is the symbol for a capacitor?

Back

A capacitor is represented by two parallel lines with a gap between them.

Front

What does the symbol for an inductor look like?

Back

An inductor is represented by a series of loops or coils.

Front

What is the purpose of a diode in a circuit?

Back

A diode allows current to flow in one direction only.