Question

Name the energy changes for each example in the list given below.

1. A loudspeaker 2. A Bunsen burner
3. A microphone 4. An electric bell
5. An electromagnet 6. An electric heater
7. A transmitter 8. A radio set
9. A dry cell 10. A burning fire cracker
(Example: 1. A loudspeaker: Electrical energy to sound energy.)

Answer 1

Explanation:

(a) Electrical energy into sound energy 

(b) Heat energy into mechanical energy 

(c) Sound energy into electrical energy 

(d) Electrical energy to mechanical energy 

(e) Electrical energy into light energy 

(f) Chemical energy to heat energy 

(g) Light energy into electrical energy 

(h) Chemical energy into heat energy 

(i) Chemical energy into electrical energy 

(j) Chemical energy to mechanical energy 

(k) Electrical energy into heat energy 

(I) Light energy into electrical energy (m)Electrical energy into magnetic energy.