A wire coil is turned at a steady speed between the poles of a U-shaped magnet. Each end of the coil is joined to a separate slip ring. Which graph shows the way the voltage $V$ between the slip rings changes with time $t$?
Physics 5054 · O Level · The a.c. generator
A wire coil is turned at a steady speed between the poles of a U-shaped magnet. Each end of the coil is joined to a separate slip ring. Which graph shows the way the voltage $V$ between the slip rings changes with time $t$?