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ISRO EC Quiz 2 : Analog Electronics

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Question 1

The ripple factor in case of a full-wave rectifier is.

Question 2

Consider the following statements related to a CMOS (Complementary metal oxide semiconductor) inverter.
1) It combines an n-channel and a p-channel MOS transistor.
2) For binary 1 input, both transistors are OFF.
3) For binary 0 input, both transistors are ON.
4) Whatever is the state of input, one transistor is ON while the other is OFF.
Which of the statements given above are correct?

Question 3

Which one of the following statements is correct? The rise time of an amplifier is

Question 4

Which oscillator is characterized by a split capacitor in its tank circuit?

Question 5

A tuned amplifier has peak output at 2MHz and quality factor 50. The bandwidth and 3- dB frequencies shall be at what value respectively?

Question 6

A 1μs pulses can be converted into a 1ms by using

Question 7

For the BJT circuit shown, assume that the β of the transistor is very large and V_BE = 0.7 V. The mode of operation of the BJT is:

Question 8

In a full-wave rectifier using two ideal diodes and center tapped transformer, V_dc and V_m are the dc and 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 are

Question 9

If the op-amp in the below figure, has an input offset voltage of 5 mV and an open-loop voltage gain of 10,000, then v₀ will be

Question 10

A CE amplifier has an un-by-passed emitter resistance of 0.5 kΩ and a collector load of 5kΩ. the β of the transistor is 100 and it is operating at 1 mA. The voltage gain of the stage at mid band will be of the order of

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ESE & GATE EC Analog Circuits

Apr 21ESE & GATE EC