Analog Electronics MCQ Questions & Answers | Electrical Engineering
1.
The action of JFET in its equivalent circuit can best be represented as a
A.Current controlled Current source
B.Current controlled voltage source
C.Voltage controlled voltage source
D.voltage controlled current source
2.
In a CB amplifier the maximum efficiency could be
A.99%
B.85%
C.50%
D.25%
3.
In a p⁺n junction diode under reverse bias , the magnitude of electric field is maximum at
A.The edge of the depletion region on the p-side
B.The edge of the depletion region on the n-side
C.The p⁺n junction
D.The center of the depletion region on the n-side
4.
To prevent a DC return between source and load, it is necessary to use
A.Resistor between source and load
B.Inductor between source and load
C.Capacitor between source and load
D.Either A or B
5.
A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ. At the frequency of 4KHZ,the o/p voltage will be
A.1v
B.2v
C.1.4v
D.2.8v