The stage provides a moderate voltage gain a moderate

14. The ______ stage provides a moderate
voltage gain, a moderate input impedance,
and a moderate output impedance.
a. common-drain
b. common-collector
c. common-base
d. common-emmiter
15. The ___________ provides a voltage gain
less than unity, a high input impedance, and
a low output impedance, serving as a good
voltage buffer
16. A measure of the small-signal performance
of voltage-dependent current sources is the
_____________ defined as the change in
the output current divided by the change in
the input voltage.
17. For what value of I
D
is gm equal to 0.5 g
m0
?
18. Which of the following transistor has
depletion and enhancement types?
a. BJT
b. JFET
c. MOSFET
d. Diode
19. The region to the left of the pinch-off locus is
referred to as the _____ region.
20. The drain current will always be one-fourth of
IDSS as long as the gate-to-source voltage
is _____ the pinch-off value.
21. It is the insulating layer of _____ in the
MOSFET construction that accounts for the
very desirable high input impedance of the
device.
22. How many terminals can a MOSFET have?
a. 2
b. 3
c. 4
d. 3 or 4
23. Which of the following FETs has the lowest input
impedance?
24. How many orbiting electrons does the germanium
atom have?
25. One eV is equal to _____ J.
26. What unit is used to represent the level of a diode
forward current?
a. pA
b. nA
c. A
d. mA
27. Calculate the power dissipation of a diode having
I
D
= 40 mA.

28. What does a high resistance reading in both
forward- and reverse-bias directions indicate?
29. At what region of operation is the base-emitter
junction forward biased and the base-collector
junction reverse biased?
30. For the BJT to operate in the saturation region,
the base-emitter junction must be _____-biased and
the base-collector junction must be _____-biased.
a. forward, forward
b. forward, reverse
c. reverse, reverse
d. reverse, forward