Characteristics of Amplifier Online Exam Quiz
Characteristics of Amplifier GK Quiz. Question and Answers related to Characteristics of Amplifier. MCQ (Multiple Choice Questions with answers about Characteristics of Amplifier
JFET is a __ carrier device.
Options
A : Unipolar
B : Bipolar
C : Minority
D : Majority
The built-in barrier potential in a N-channel JFET is ___
Options
A : less than the internal pinch-off voltage
B : equal to the internal pinch-off voltage
C : greater than the internal pinch-off voltage
D : not related to the internal pinch-off voltage
The n-channel JFET, the pinch off voltage is __
Options
A : not greater than 0
B : greater than or equal to 0
C : less than or equal to 0
D : not less than 0
What is the role of emitter bypass capacitance in the transistor amplifying circuit?
Options
A : To prevent damage of emitter resistance from variation in voltage
B : To prevent emitter from over voltage
C : To increase gain
D : To increase load to transistor circuit
What is the role of emitter resistance in the transistor amplifying circuit?
Options
A : To prevent thermal runaway
B : To prevent increase in gain
C : To lower the output impedance
D : To increase gain
Which of the following is actually not a function of emitter bypass capacitor?
Options
A : Increase gain
B : Lower the impedance of emitter resistance
C : Provide a low reactance path
D : Help emitter resistance to withstand voltage variation
Which of the following is not true regarding the output capacitor in the transistor biasing circuit?
Options
A : To pass AC signal
B : To stop DC signal
C : To couple the amplifier to load or next amplifier
D : There is no importance for an output capacitance
Which of the following is the best biasing method for transistor bias?
Options
A : emitter bias
B : voltage divider bias
C : fixed bias
D : collector feedback bias
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