Electronics Quiz

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