A bipolar transistor has a common-emitter current gain of 125. If the transistor operates with a collector current of 50 mA, what is the value of base current?
A. 400 μA
B. 40 μA
C. 4 μA
D. 0.4 μA
Answer:A
A bipolar transistor has a common-emitter current gain of 125. If the transistor operates with a collector current of 50 mA, what is the value of base current?
A. 400 μA B. 40 μA C. 4 μA D. 0.4 μA