Electrical Symbols Quiz

What is the symbol for a wire?

• A straight horizontal line

• A circle with a line through it

• Two parallel short lines with a single line connecting them in the middle

• A circle with two lines protruding from the top and bottom

Which symbol represents a DC power supply?

• A circle with a line through it

• A straight horizontal line

• A pair of parallel lines, one longer than the other

• A circle with two lines protruding from the top and bottom

What does the symbol with two parallel short lines with a single line connecting them in the middle represent?

• Motor

• Battery

• Lamp or bulb

• Push button switch

Identify the symbol for a lamp.

• A circle with a line through it

• A circle with two lines protruding from the top and bottom

• A straight horizontal line

• An 'X' with a circle around it

Which symbol is used to denote a motor?

• A straight horizontal line

• A circle with a line through it

• A circle with two lines protruding from the top and bottom

• Two parallel short lines with a single line connecting them in the middle

What is the correct spelling for the component that allows current to flow in only one direction?

• diod

• diode

• dioad

• dyode

Which component is represented by a symbol with an arrow pointing to a vertical line?

• Light emitting diode

• Variable resistor

• Transistor

• Thermistor

What is the correct spelling for the component that stores electrical energy?

• capasiter

• capacitor

• capaciter

• capassitor

Which component is correctly paired with its symbol, featuring a diagonal arrow crossing two vertical lines?

• Photo diode

• Transistor

• Polarized capacitor

• Thermistor

What is the correct spelling for the light-sensitive component?

• Photo dioded

• Photo diode

• Foto diode

• Phodo diode