WorksheetsElectronics Quiz
Total questions: 15
Worksheet time: 8mins
What is the function of a Light Dependent Resistor (LDR) in a solar-powered street light system?
Converts temperature into resistance
Produces light energy
Converts brightness of light into resistance
Generates sound when electricity flows through it
Which component is used to convert electrical energy to light in a smart home lighting system?
Buzzer
Solenoid
Motor
Light-emitting diode (LED)
How is the Reed Switch operated?
Converts brightness of light into resistance
Operated by an applied magnetic field
Converts temperature into resistance
Produces sound when electricity flows through it
Which type of switch is commonly used in children's toys and flashlights for turning on or off?
Slide Switch
Micro Switch
Toggle Switch
Push Switch Normally Open (NO)
What is the function of a Solenoid in an electronic system?
Converts electrical energy to mechanical energy
Converts brightness of light into resistance
Converts electrical energy to light
Converts temperature into resistance
What is the main function of a Relay in an electronic system?
It enables a low voltage circuit to activate a high voltage circuit
Converts electrical energy to light
Converts electrical energy to kinetic energy
Converts electrical energy to mechanical energy
Which type of switch is used to control the lighting in a room?
Single-Pole - Double-Throw (SPDT)
Double-Pole - Double-Throw (DPDT)
Single-Pole - Single-Throw (SPST)
Double-Pole - Single-Throw (DPST)
What is the function of a Thermistor in a smart home temperature control system?
Produces sound when electricity flows through it
Converts brightness of light into resistance
Operated by an applied magnetic field
Converts temperature into resistance
Which component is used to make a sound when electricity flows through it in an electronic system?
Buzzer
Bulb
Light-emitting diode (LED)
Motor
What is the purpose of a Capacitor in an electronic system?
Stores electrical energy
Converts temperature into resistance
Produces light energy
Generates sound when electricity flows through it
Which component is used to amplify or switch electronic signals in a circuit?
Transistor
Resistor
Capacitor
Inductor
What is the function of a Diode in a solar panel system?
Converts sunlight into electricity
Allows current to flow in one direction
Stores energy for later use
Regulates temperature in the system
What is the function of a Potentiometer in a music amplifier?
Adjusts volume in a circuit
Converts electrical energy to mechanical energy
Produces light energy
Generates sound when electricity flows through it
Which component is used to store electrical charge in a camera?
Transistor
Resistor
Capacitor
Inductor
What is the main function of a Transformer in an electronic system?
Converts electrical energy to mechanical energy
Steps up or steps down voltage
Produces light energy
Generates sound when electricity flows through it
