Question

State the energy changes in the following cases:
(i) loudspeaker
(ii) steam engine
(iii) electric toaster
(iv) electromagnet

Answer 1

1. electrical to sound
2.chemical to heat to mechanical
3.electrical to heat
4.electrical to magnetic

Hope it helps

Answer 2

Explanation:

a. electrical energy to sound energy

b. chemical to heat energy

c. electrical energy to heat energy

d. electrical energy to magnetic energy