Answer the following questions about the circuit of Fig. 4.159 :

a. What happens to the voltage V_C if the resistor R B is open?
b. What should happen to V CE if b increases due to temperature?
c. How will V_E be affected when replacing the collector resistor with one whose resistance is at the lower end of the tolerance range?
d. If the transistor collector connection becomes open, what will happen to V_E ?
e. What might cause V _CE to become nearly 18 V?

Transcribed Image Text:

Va=+18V Rc § 2.2 ΚΩ Ra 510 ΚΩ Ve FIG. 4.159 β = 9 RE • 1.8 ΚΩ