All Textbook Topics - Electricity - Circuit symbols 2

Circuit symbols 2

Building on Circuit Symbols 1, these ones are a little less common but you will still encounter many of them regularly. Knowledge of circuit symbols is crucial to being fluent in communicating about electricity.

Textbook Learning Objectives
Click on each learning objective to access its associated textbook page.
1LDR stands for 'light dependent resistor'
2I know the circuit symbol for a light dependent resistor (LDR)
3I know the circuit symbol for a motor
4I know the circuit symbol for a diode
5LED stands for 'light emitting diode'
6I know the circuit symbol for a light emitting diode (LED)
7I know the circuit symbol for a reed switch
8I know the circuit symbol for a reed relay
9I know the circuit symbol for a heater
10SPDT switch stands for 'single pole double throw' switch
11I know the circuit symbol for a single pole, double throw (SPDT) switch