Wrap-Up Assessment on Wireless Speaker

What form of energy is associated with sound?

• Mechanical energy

• Thermal energy

• Nuclear energy

• Electrical energy

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What are sound waves?

• Sound waves are vibrations that travel through the air or another medium and can be perceived by the human ear.

• Sound waves are electromagnetic waves.

• Sound waves are particles that travel through the air.

• Sound waves are a form of light waves.

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What are radio waves and satellite waves used for?

• Communication

• Transportation

• Cooking

• Weather forecasting

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What is a wireless speaker?

• A wireless speaker is a device that requires a wired connection to play audio.

• A wireless speaker is a device that uses wireless technology to play audio without physical cables.

• A wireless speaker is a device that uses Bluetooth technology to play audio.

• A wireless speaker is a device that can only play audio from a physical CD or cassette tape.

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Name one electronic device that uses wireless speaker technology.

• Record player

• Rotary phone

• Bluetooth speaker

• Typewriter

What is the main function of a wireless speaker?

• To connect to the internet wirelessly

• To charge other devices wirelessly

• To play audio wirelessly

• To project images wirelessly

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How does Bluetooth connectivity work?

• Bluetooth connectivity works by using radio waves to establish a wireless connection between devices.

• Bluetooth connectivity works by using physical cables to establish a wired connection between devices.

• Bluetooth connectivity works by using Wi-Fi signals to establish a wireless connection between devices.

• Bluetooth connectivity works by using infrared technology to establish a wireless connection between devices.

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What is the purpose of a Wi-Fi network?

• The purpose of a Wi-Fi network is to provide wireless connectivity for devices.

• To connect devices using Bluetooth technology

• To provide wired connectivity for devices

• To transmit data through cables

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What is the process of converting electrical energy to mechanical energy called?

• Chemomechanical energy conversion

• Thermomechanical energy conversion

• Photoelectric energy conversion

• Electromechanical energy conversion

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What is an electrical motor?

• An electrical motor is a device that converts electrical energy into mechanical energy.

• An electrical motor is a device that converts electrical energy into heat energy.

• An electrical motor is a device that converts mechanical energy into chemical energy.

• An electrical motor is a device that converts mechanical energy into electrical energy.