For a common emitter transistor working in active state, following data is given RL = 1KΩ Vin = 10mV, ΔIB = 15 µA, ΔIC = 3 mA. The input resistance ri & voltage gain Av for the transistor is:
(1) 200, 0.67 KΩ
(2) 300, 0.67 KΩ
(3) 200, 0.1 KΩ
(4) 300, 1 KΩ
