Understanding Electrical Symbols

What symbol represents a battery in a circuit?

• A single circle with a plus sign inside.

• Two overlapping squares.

• A zigzag line with a dot at each end.

• Two parallel lines, one longer than the other.

Which symbol is used for a light bulb?

• 🌟

• 🔌

• 💡

• 💻

What does the zigzag line represent in a circuit diagram?

• An inductor

• A capacitor

• A diode

• A resistor

Identify the symbol for a closed switch.

• A solid line connecting two points

• A circle with a line through it

• A dashed line connecting two points

• Two separate dots with a line above them

What symbol indicates an open switch?

• A circle with a dot inside.

• A solid line in the circuit symbol.

• A zigzag line in the circuit symbol.

• A break in the line or gap in the circuit symbol.

Which symbol is used to represent a resistor?

• Zigzag line

• Straight line

• Square

• Circle

What does the symbol with a straight line and a zigzag line represent?

• Diode

• Inductor

• Resistor

• Capacitor

Identify the symbol for a fuse.

• Circle with a line through it

• Square with a dot inside

• Triangle with a wave line

• Fuse symbol: rectangle with a line through it

What is the symbol for a capacitor?

• R

• D

• L

• C

Which symbol represents a ground connection?

• 🔌

• ⏏

• ⏚

• ⚡