WorksheetsElectronics Quiz
Total questions: 15
Worksheet time: 8mins
What does electronics involve?
Controlling electrical energy to do work
Creating mechanical energy
Generating thermal energy
Producing chemical energy
Which of the following is an example of work done by electronics?
Boiling water
Turning on lights
Growing plants
Melting ice
What is one of the outcomes of controlling electrical energy in electronics?
Producing light
Generating wind
Creating water
Forming rocks
What material is used in soldering to join metal components?
Glue
Solder
Paint
Wax
What tool is used to heat the joint in soldering?
Hammer
Soldering iron
Screwdriver
Pliers
What indicates a poor solder joint?
Shiny and smooth appearance
Rough and dull appearance
Sticky and uneven surface
Dark and brittle texture
What is the primary function of a resistor?
To store electrical energy
To resist the flow of current
To amplify signals
To convert AC to DC
What is the role of a resistor in a voltage divider circuit?
To increase voltage
To decrease voltage
To divide voltage
To store voltage
Which of the following is a characteristic of a resistor?
It has a capacitance
It has an inductance
It has a resistance
It has a frequency
Which of the following materials is commonly used to make resistors?
Copper
Silicon
Carbon
Iron
In what unit is the capacitance of a capacitor measured?
Volts (V)
Amperes (A)
Microfarads (µF)
Ohms (Ω)
In which direction does a diode allow current to flow?
Both directions
Forward direction only
Reverse direction only
No direction
Which of the following is NOT a type of diode?
Light Emitting Diode (LED)
Zener Diode
Photodiode
Capacitor Diode
Which of the following is a symbol for an LED?
A circle with a line through it
A triangle with a line through it
A square with a line through it
A rectangle with a line through it
Which terminal of a transistor is responsible for controlling the flow of current?
Base
Collector
Emitter
Anode
