Electrical Engineering
GATE EE concept:d PYQs
Build your understanding with focused practice from past exam papers.
How to practice concept:d
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–5 of 5. Imported answers require independent review unless marked reviewed.
Question 61
Open questionEENAT2 marksNeeds review
A difference amplifier is shown in the figure. Assume the op-amp to be ideal. The CMR (in dB) of the difference amplifier is ______ (rounded off to 2 decimal places).
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 14
Open questionEEMCQ1 markNeeds review
A common-source amplifier with a drain resistance,
, is powered using a 10 V power supply. Assuming that the transconductance,
, is 520
A/V, the voltage gain of the amplifier is closest to:Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 31
Open questionEEMCQ2 marksNeeds review
A non-ideal diode is biased with a voltage of −0.03 V, and a diode current of
is measured. The thermal voltage is 26 mV and the ideality factor for the diode is 15/13. The voltage, in V, at which the measured current increases to
is closest to:Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 36
Open questionEEMCQ2 marksNeeds review
In the circuit shown below, X and Y are digital inputs, and Z is a digital output. The equivalent circuit is a
Your answerChoose one option.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 37
Open questionEEMCQ2 marksNeeds review
Digital input signals
,
,
with
as the MSB and
as the LSB are used to realize the Boolean function
, where
denotes the
minterm. In addition,
has a don’t care for
. The simplified expression for
is given byYour answerChoose one option.
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