In case of common emitter `p-n-p` transistor input characteristic is a graph drawn.
A. With `I_(C)` on y-axis and `V_(CE)` on x-axis keeping `I_(B)` constant
B. With `I_(B)` on y-axis and `V_(BE)` on x-axis keeping `V_(CE)` constant
C. With `I_(C)` on y-axis and `I_(B)` on x-axis keeping `V_(CE)` constant
D. With `V_(BE)` on y-axis and `V_(CE)` x- axis keeping `I_(B)` constant.
