A CB amplifier has IE = 3.5 mA, a = 0.98 and RL = 600 Ω. The input impedance

A CB amplifier has IE = 3.5 mA, a = 0.98 and RL = 600 Ω. The input im

1.	A CB amplifier has IE = 3.5 mA, a = 0.98 and RL = 600 Ω. The input impedance
A.	0.98 Ω
B.	0.025 Ω
C.	0.025/3.5 x 10¯³ Ω
D.	600 Ω
Answer» D. 600 Ω