JAMB - Physics (1993 - No. 6)
Which of the following correctly describes the energy changes in the generation of light by a hydroelectric power station?
Electrical \(\to\) mechanical \(\to\) potential
potential \(\to\)mechanical \(\to\)electrical \(\to\) light
mechanical \(\to\) sound \(\to\) electrical \(\to\) light
kinetic \(\to\) mechanical \(\to\) electrical \(\to\)light
Erläuterung
