Question:

The JFET is always operated with the gate-source pn junction            -biased.

A.

forward

B.

reverse

C.

all of the above

D.

none of the above

Answer» b. reverse

Question:

Midpoint bias for a D-MOSFET is ID = , obtained by setting VGS = 0.

A.

idss / 2

B.

idss / 3.4

C.

idss

Answer» c. idss

Question:

A common-emitter amplifier has voltage gain, current gain, power gain, and input impedance.

A.

high, low, high, low

B.

high, high, high, low

C.

high, high, high, high

D.

low, low, low, high

Answer» b. high, high, high, low

Question:

The has a physical channel between the drain and source.

A.

d-mosfet

B.

e-mosfet

C.

v-mosfet

D.

none of the above

Answer» a. d-mosfet

Question:

The capacitor that produces an ac ground is called a

A.

bypass capacitor

B.

coupling capacitor

C.

dc open

D.

ac open

Answer» a. bypass capacitor

Question:

All MOSFETs are subject to damage from electrostatic discharge (ESD).

A.

true

B.

false

Answer» a. true

Question:

A common-gate amplifier is similar in configuration to which BJT amplifier?

A.

common-emitter

B.

common- collector

C.

common-base

D.

emitter- follower

Answer» c. common-base

Question:

For audio systems, the reference level is generally accepted as                .

A.

1 mw

B.

1 w

C.

10 mw

D.

100 mw

Answer» a. 1 mw

Question:

The dc emitter current of a transistor is 8 mA. What is the value of re?

A.

320 Ω

B.

13.3 kΩ

C.

3.125 Ω

D.

5.75 Ω

Answer» c. 3.125 Ω

Question:

For any inverting amplifier, the impedance capacitance will be                 by a Miller effect capacitance sensitive to the gain of the amplifier and the interelectrode capacitance.

A.

unaffected

B.

increased

C.

decreased

D.

none of the above

Answer» c. decreased