Solve the following:
Q: Measurements of VBE and two terminal currents taken on a number of npn transistors operating in the active mode are tabulated below. For each, calculate the missing current value as well as α, β, and IS as indicated by the table.
Transistor a b c d e
VBE(mV) 700 690 580 780 820
Ic(mA) 1.000 1.000 10.10
IE(μA) 10 5 120 1050
IE(mA) 1.020 0.235 75.00
α
β
Is