If the input voltage on the base of the transistor in the given figure is change

CuriousTab

CuriousTab

Home Aptitude

Discussion

Home ‣ Digital Electronics ‣ Signals and Switches Comments

Question
If the input voltage on the base of the transistor in the given figure is changed to +10 V, what is the new voltage at the collector V_c?
Options
A. Not enough information is provided.
B. V_c = 10 V
C. V_c = 0 V
D. V_c = 5 V

Correct Answer

V_c = 0 V

Signals and Switches problems

Search Results

4. Serial communication can be sped up by:
Options
A. using silver or gold conductors instead of copper
B. using high-speed clock signals
C. adjusting the duty cycle of the binary information
D. using silver or gold conductors instead of copper and high-speed clock signals

6. Why is the given circuit called an inverter?
Options
A. The output is the opposite (inverse) of the input.
B. The output is in phase with the input.
C. The output is the same as the input.
D. There is no output.

8. An indication of cutoff in an NPN bipolar transistor is that the:
Options
A. collector current is maximum
B. collector-to-emitter voltage equals zero
C. base-to-emitter voltage equals 0.7 V
D. collector to emitter appears to be open

9. Why does the TTL family use a totem-pole circuit on the output?
Options
A. It provides active pull-up.
B. It provides active pull-down.
C. It provides active pull-up and active pull-down.

Comments

More in Digital Electronics: