Electrical to Sound Energy Practice Exercise 1

A siren is used in the local market to signal closing time. What type of energy transformation takes place, and how does it occur? (2 marks)

A student listens to music on a battery-powered radio during the weekend. What type of energy transformation takes place, and how does it work? (1 mark)

Describe the energy transformation that takes place for the speaker below to produce sound. (1 mark)

Describe the process that takes place when a buzzer is connected to a cell and switched on. (2 marks)

Describe the process that takes place when a buzzer is connected to a cell and switched on. (2 marks)

Describe the process that takes place when a buzzer is connected to a cell and switched on. (2 marks)

During a school assembly, the head teacher speaks into a microphone connected to loudspeakers. Identify the type of energy transformation taking place and explain the process. (2 marks)

During break time, the school bell rings loudly to signal the end of a lesson. What type of energy transformation takes place? (1 mark)

During break time, the school bell rings loudly to signal the end of a lesson. What type of energy transformation takes place? (1 mark)

 Explain how electrical energy can be transformed into sound energy. (1 mark)

Explain why a radio can produce sound from electricity. (2 marks)

Name three devices that convert electrical energy into sound energy. (3 marks)

The diagram below shows a closed electric circuit with a battery, switch, and buzzer. Identify the type of energy transformation that occurs when the switch is closed and explain the process. (2 marks)

The diagram below shows a closed electric circuit with a battery, switch, and buzzer. Identify the type of energy transformation that occurs when the switch is closed and explain the process. (2 marks)