Question

practice it!
which of the following are examples of electrical energy being transformed into sound energy and mechanical energy?
saw
radio
telephone
blender
drill

Explanation:

• Saw: Electrical energy is transformed into mechanical energy (rotating blade) and also produces sound energy (noise during operation).
• Radio: Electrical energy is mainly transformed into sound energy (producing audio) but also has some mechanical aspects (e.g., in older models with moving parts like tuning knobs, though modern digital radios have less obvious mechanical energy transformation compared to a saw).
• Telephone: Electrical energy is transformed into sound energy (for voice transmission) and also has mechanical components (e.g., in older land - line phones with bells or in the movement of parts in some handsets).
• Blender: Electrical energy is transformed into mechanical energy (rotating blades) and produces sound energy (noise).
• Drill: Electrical energy is transformed into mechanical energy (rotating drill bit) and produces sound energy (noise).

Answer:

saw, radio, telephone, blender, drill