Computer Programming MCQs — Test 78
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Question 1
Class AB operation is often used in power large signal amplifiers in order to_________?
Question 2
Negative feedback in an amplifier____________?
Question 3
The current gain of a bipolar transistor drops at high frequencies because of____________?
Question 4
Generally, the gain of a transistor amplifier falls at high frequencies due to the___________?
Question 5
The action of JFET in its equivalent circuit can best be represented as a_____________?
Question 6
In a full-wave rectifier using two ideal diodes,Vdc & Vm are the dc & peak values of the voltage respectively across a resistive load. If PIV is the peak inverse voltage of the diode, then the appropriate relationships for this rectifier is____________?
Question 7
The most commonly used amplifier in sample & hold circuits is______________?
Question 8
Introducing a resistor in the emitter of a common amplifier stabilizes the dc operating point against variations in____________?
Question 9
In a CB amplifier the maximum efficiency could be____________?
Question 10
The horizontal intercept of dc load line is the same as ideal____________?