A base current of 50 mA is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across R_C. Determine the ß_DC of the transistor.

Question

A base current of 50 mA is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across RC. Determine the ßDC of the transistor.

David · Accepted Answer

Solution:
Refer to the transistor bias circuit shown in Figure 4–53, 
Given that the base current of a transistor is, 
3
BI 50 mA 50 10 A
    
CCV 5 V  
A voltage of 5 Volts is dropped across collector resistance CR  
That is, 
CR
V 5 V  
The collector current is given by,

A base current of 50 mA is applied to the transistor in Figure 4–53, and a voltage of 5 V is dropped across R C . Determine the ß DC of the transistor.

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