Quiz no 5

What is the primary function of a solar circuit?

What type of energy does a solar circuit produce?

• Mechanical energy

• Chemical energy

• Solar energy

• Nuclear energy

Which of the following devices commonly use Bluetooth for audio streaming?

• Smart TVs

• Refrigerators

• Washing machines

• Microwave ovens

What is the benefit of using an electronically controlled lamp in terms of energy efficiency?

• Higher energy consumption

• Lower energy consumption

• No impact on energy usage

• Unstable energy output

How does Bluetooth technology connect audio devices?

• Infrared signals

• Radio waves

• Ultrasonic waves

• Magnetic fields

Which technology enables remote operation of an electronically controlled lamp?

• Wi-Fi

• Bluetooth

• Infrared

• NFC

Which Bluetooth version is most commonly used in modern audio devices?

• Bluetooth 2.0

• Bluetooth 4.0

• Bluetooth 5.0

• Bluetooth 6.0

What is the primary purpose of Bluetooth technology in audio devices?

• Enhance sound quality

• Enable wireless connectivity

• Increase battery life

• Improve design aesthetics

How does an electronically controlled lamp adjust its brightness?

• Voltage regulation

• Current limitation

• Resistance adjustment

• Capacitance control

What is the environmental benefit of using solar circuits?

• Reduce carbon emissions

• Increase air pollution

• Deplete ozone layer

• Contribute to global warming