Analog Circuits Set 1

Question - 15 Maximum mark : - 30

Which of the following oscillators is suitable for frequencies in the range of mega hertz?

RC phase shift Wien bridge Hartley Both (A) and (C)

To prevent a DC return between source and load, it is necessary to use ………………

resistor between source and load inductor between source and load capacitor between source and load either (A) or (B)

The load impedance ZL of a CE amplifier has R and L in series. The phase difference between output and input will be

180° more than 90° but less than 180° more than 180° but less than 270°

The action of JFET in its equivalent circuit can best be represented as a

current controlled current source current controlled voltage source voltage controlled voltage source voltage controlled current source

In a CB amplifier the maximum efficiency could be

1% 1% 0% 0%

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