A common emitter transistor amplifier has a collector current of 10mA, when its base current is 25µA at the room, temperature. What is input resistance?
A. 3kΩ
B. 5kΩ
C. 1kΩ
D. 7kΩ
Answer:C
A common emitter transistor amplifier has a collector current of 10mA, when its base current is 25µA at the room, temperature. What is input resistance?
A. 3kΩ B. 5kΩ C. 1kΩ D. 7kΩ