$1.$ Answer briefly:

a$)$ In a pnp transistor, what are the p

regions?

b$)$ Which among the three currents in a

transistor has the highest value?

c$)$ What would a transistor that operate

in the cutoff and saturation region

acts like?

d$)$ What is f$$pc of a transistor?

e$)$ What is the approximate voltage

across the forward$-$biased base$-$

emitter junction of a silicon BJT$?$