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Electronics - Transistors and Applications

Exercise : Transistors and Applications - General Questions
1.
The primary function of the bias circuit is to
hold the circuit stable at VCC
hold the circuit stable at vin
ensure proper gain is achieved
hold the circuit stable at the designed Q-point
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
A JFET
is a current-controlled device
has a low input resistance
is a voltage-controlled device
is always forward-biased
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A source follower has a voltage gain (Av) of
AV = gmRd
AV = gmRS
mca17_1012c1.gif
mca17_1012d1.gif
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The capacitor that produces an ac ground is called a(n)
coupling capacitor
dc open
bypass capacitor
ac open
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The formula used to calculate the approximate ac resistance of the base-emitter diode (re) is
mca17_1005a1.gif
re almostequal.jpg 25 mV × IC
mca17_1005c1.gif
mca17_1005d1.gif
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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