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ESE EC 2018 Achiever Study Plan: Analog Circuits Quiz 5
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Question 1
Consider the following statements pertaining to frequency response of RC coupled amplifier:
1) Coupling capacitance affects high frequency response.
2) Bypass capacitance affects high frequency response.
3) Coupling capacitance affects low frequency response.
4) Bypass capacitance affects low frequency response.
Which of the above statements are correct?
1) Coupling capacitance affects high frequency response.
2) Bypass capacitance affects high frequency response.
3) Coupling capacitance affects low frequency response.
4) Bypass capacitance affects low frequency response.
Which of the above statements are correct?
Question 2
A power amplifier with a gain of 100 has an output of 12 V at 1.5 kHz along with a second harmonic content of 25 percent. A negative feedback is to be provided to reduce the harmonic content of the output to 2.5 percent. What should be the gain of the feedback path and the level of signal input to the overall system, respectively?
Question 3
Low frequency response of RC coupled amplifier can be improved by.
Question 4
Statement (I): Thermal runaway occurs in FET circuits but it does not occur in BJT circuit.
Statement (II): FET is a majority carrier device whereas BJT works based on the movement of both the majority and the minority carries.
Statement (II): FET is a majority carrier device whereas BJT works based on the movement of both the majority and the minority carries.
Question 5
A good S/H circuit should have
1) High input impedance
2) High output impedance
3) Low input impedance
4) Low output impedance
1) High input impedance
2) High output impedance
3) Low input impedance
4) Low output impedance
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Feb 7ESE & GATE EC
