Question

state the energy changes beast in steam engine (c)microphone(d) the washing machine(e) glowing electric bulb( f )burning coal (g)a solar cell (h)biogas burner


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Answer 1

Answer:

1. Chemical energy to mechanical energy

2. Sound energy to electrical energy

3. Electrical energy to mechanical energy

4. Electrical energy to light and heat energy

5. Chemical energy to heat and light energy

6. Solar energy to electrical energy

7. Chemical energy to heat energy

hope it helps you!

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Answer 2

(a) Electrical energy changes into sound energy

(b) Heat energy changes into mechanical energy

(c) Sound energy changes into electrical energy

(d) Electrical energy changes into mechanical energy

(e) Electrical energy changes into light energy

(f) Chemical energy changes into heat energy

(g) Light energy changes into electrical energy

(h) Chemical energy changes into heat energy