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14.The ______ stage provides a moderate voltage gain, a moderate input impedance, and a moderate output impedance.a. common-drainb. common-collectorc. common-based. common-emmiter15.The ___________ provides a voltage gain less than unity, a high input impedance, and a low output impedance, serving as a good voltage buffer16.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 IDis gm equal to 0.5 gm0?18.Which of the following transistor has depletion and enhancement types?a. BJTb. JFETc. MOSFETd. Diode19.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 ofIDSS 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. 2b. 3c. 4d. 3 or 423. 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. pAb. nAc. Ad. mA27. Calculate the power dissipation of a diode having ID= 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, forwardb. forward, reversec. reverse, reversed. reverse, forward