Direction: Read the passage carefully and answer following questions. A simple a.c. generator produces an alternating emf as shown in figure (i)
lf the speed of the generator is changed then the graph of the new output is shown in figure (ii).
What change does occur in the speed of the coil in the generator?
(A) lt is halved.
(B) lt is doubled.
(C) lt is one fourth.
(D) lt is four times
