IDENTIFY THE ENERGY TRANSFORMATION IN THE FOLLOWING ;
STEAM ENGINE AND SOLAR CELL
STEAM ENGINE - heat energy to mechanical energy / kinetic energy
SOLAR CELL - light energy to electrical energy
State the energy changes in the following cases while in use:
(a) loudspeaker
(b) a steam engine
(c) microphone
(d) washing machine
(e) a glowing electric bulb
(f) burning coal
(g) a solar cell
(h) bio-gas burner
(i) an electric cell in a circuit
(j) a petrol engine of a running car
(k) an electric toaster
(l) a photovoltaic cell
(m) an electromagnet.
The energy conversion in a steam engine is