10 Questions
What happens to the resistance of a thermistor as the temperature decreases?
Increases
Which electronic component has a Base, Collector, and Emitter?
Transistor
In which situation is a Push to Break switch commonly used?
Emergency button in a workshop
What type of switch requires a lever to be thrown or flipped to make or break the connection?
Toggle Switch
Which component acts as an adjustable resistor?
Variable resistor
Which component allows access to mains power?
Diode
What component converts chemical energy into electrical energy?
Bulb
What does an LED do when electrons pass through it?
Emits light
What is the function of a potentiometer?
Forms an adjustable voltage divider
What does a ldr do in light conditions?
Has high resistance
Test your knowledge on electrical components such as AC supply, ammeter, battery, bulb, buzzer, diode, double throw double pole, Light Dependent Resistor (LDR), and more. Identify the correct symbols and functions of each component.
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