(a)[3]
Describe and explain how the lamp lights when the magnet is rotated.
(b)[3]
State three methods of making the bicycle lamp brighter.
(c(i))[1]
State the meaning of the term a.c.
(c(ii))[1]
Describe how a.c. differs from d.c.
Physics 0625 · IGCSE · Electromagnetic effects
Electromagnetic effects — practice question
A student attaches an electrical generator to a bicycle. As the front wheel turns, a magnet spins between two coils of wire. A lamp is connected to the coils of wire. When the magnet is spinning, the lamp lights up.