Answer:
1. In a light bulb, electrical energy is converted into light and heat.
2. A megaphone increases the volume of sound by increasing the acoustic impedance bye the Boca cords
3.
Explanation:
yan lang po kaya ko (hope its help)
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Identify the pictures below that shows sound energy transformation when used., 1. Bulb light, 2.megaphone , 3. Computer set
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