Question

Give any two examples each for the following energy transformation

(a) Mechanical into heat energy(b) Mechanical energy into heat energy(c) Mechanical energy into sound energy(d) Electric energy into heat energy(e) Electric energy into magnetic energy

Answer 1

a,c:- Rubbing of palms produce heat and sound and rubbing of stones will also create heat sound and light. d) electrical bulb and iron(heater) produce heat. e). Electromagnet and electric coils.