Electronics and Components Quiz

What is the purpose of a resistor in an electronic circuit?

• To increase the flow of current and create a voltage increase

• To store energy and release it when needed

• To amplify the signal and improve the circuit's performance

• To limit the flow of current and create a voltage drop

What is the unit of measurement for resistance?

• Volt

• Ampere

• Watt

• Ohm

What is the function of an integrated circuit?

• Stores data in a computer

• Performs various functions such as amplification, signal processing, and microprocessor control.

• Transmits radio signals

• Generates electricity from solar power

What are the two main types of integrated circuits?

• Analog and Digital Signals

• Microprocessor and Microcontroller

• Transistor and Capacitor

• Analog integrated circuits and digital integrated circuits

What is the main function of a printed circuit board (PCB)?

• To provide insulation for electronic components

• To generate power for electronic devices

• To control the temperature of electronic components

• To provide mechanical support and electrical connections for electronic components

What type of battery is commonly used in small electronic devices?

• Nickel-cadmium

• Lead-acid

• Lithium-ion

• Alkaline

What is the voltage of a standard AA battery?

• 3 volts

• 1 volt

• 1.5 volts

• 2.5 volts

What is the function of a light sensor in an electronic device?

• To detect the presence of light and convert it into an electrical signal.

• To control the device's power supply

• To play music and videos

• To measure temperature and humidity

What is the principle behind the operation of a light sensor?

• Converting sound energy into electrical signals

• Converting mechanical energy into electrical signals

• Converting heat energy into electrical signals

• Converting light energy into electrical signals