WorksheetsElectrical Symbols and Their Functions
Total questions: 10
Worksheet time: 3mins
1. It is used as a source of power.
battery
conductor
diode
circuit breaker
2. It is a device for making and breaking the connection In an electric circuit.
circuit breaker
fuse
switch
terminal
3. It emits light when heated by electricity.
conductor
incandescent lamp
switch
battery
4. It is an output device used with computer systems.
battery
speaker
push button
antenna
5. It is used for measuring electric current in amperes.
Ammeter
Galvanometer
voltmeter
wattmeter
6. It is used for measuring electric potential in volts.
Ammeter
Galvanometer
voltmeter
wattmeter
7. It allows the flow of current in one direction only.
Capacitor
Lightning Arrester
Male Plug
Diode
8. It stops the flow of current in an electric circuit as a safety measure.
circuit breaker
fuse
switch
conductor
9. It detects and measures small electric currents.
Ammeter
Galvanometer
voltmeter
wattmeter
10. It permits the flow of electric charges in one or more directions.
ammeter
galvanometer
voltmeter
conductor
