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GATE EE : Analog Electronics Champion Quiz 2

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Question 1

The equivalent circuit of a transformer has leakage reactance x1, x2′ and magnetizing reactance XM. Their magnitudes satisfy

Question 2

In an NMOS circuit, Vt = 4 V and VGS ranges from 7.5 to 10 V. The channel to be continuous, finds the largest value of VDS?

Question 3

In a voltage divider bias circuit what will be the equivalent Vgsq.

Question 4

In the single-stage transistor amplifier circuit shown in figure, the capacitor CE is removed. Then, the ac small-signal midband voltage gain of the amplifier

Question 5

The type of power amplifier which exhibits crossover distortion in its output is

Question 6

The input signal Vin shown in the figure is a 1 KHz square wave voltage that alternates between +7V and -7V with a 50% duty cycle. Both transistors have the same current gain, which is large. The circuit delivers power to the load resistor RL. What is the efficiently of this circuit for the given input? Choose the closest answer.

Question 7

In a voltage divider bias circuit what will be the equivalent Vgsq.

Question 8

The common emitter amplifier shown in the following figure isbiased using a 1 mA ideal current source. Theapproximate base current value is:

Question 9

The typical frequency response of a two-stage direct coupled voltage amplifier isas shown in

Question 10

In the figure shown, assume the op-amp to be ideal. Which of the alternatives gives the correct Bode plots for the transfer function
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Jun 20ESE & GATE EE