Question

5. Name a device which changes
(a) Chemical energy into light energy
(b) Electric energy into heat energy
(c) Heat energy into electric energy
(d) Electric energy into magnetic energy
(e) Electric energy into light energy
(1) Light energy into electric energy
(g) Electric energy into sound energy
(h) Light energy into chemical energy
Describe how sun is the ultimate source of er​

Answer 1

Answer:

fed hmm mfg NV verification

Answer 2

Answer:

a). CFL's which use gas filled in it

b). water heater , press

c).

d). electromagnets

e). bulbs with filaments

f). solar panels

g). speaker, radios

h).

sun is ultimate source of energy as plants take help of sunlight to make food and when humans and animals eat planta we get energy from it . sunlight is also used to by us to produce electricity in solar panel and solar cookers