Electrical Engineering
GATE EE topic:electrical-engineering PYQs
Build your understanding with focused practice from past exam papers.
Questions 281–290 of 715. Imported answers require independent review unless marked reviewed.
Question 21
Open questionEEMCQ1 markNeeds review
In the circuit shown below, a three-phase star-connected unbalanced load is connected to a balanced three-phase supply of
with phase sequence
. The star connected load has
and
. The value of
in
, for which the voltage difference across the nodes
and
is zero, is 
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Open questionEEMCQ1 markNeeds review
A charger supplies 100 W at 20 V for charging the battery of a laptop. The power devices, used in the converter inside the charger, operate at a switching frequency of 200 kHz. Which power device is best suited for this purpose?
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Open questionEEMCQ1 markNeeds review
A long conducting cylinder having a radius ‘b’ is placed along the z axis. The current density is
for the region
where
is the distance in the radial direction. The magnetic field intensity (
) for the region inside the conductor (i.e. for
) isYour answerChoose one option.
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Open questionEEMCQ1 markNeeds review
The type of single-phase induction motor, expected to have the maximum power factor during steady state running condition, is
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For the circuit shown below with ideal diodes, the output will be
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Open questionEENAT1 markNeeds review
A MOD 2 and a MOD 5 up-counter when cased together results in a MOD ______ counter. (in integer)
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Open questionEENAT1 markNeeds review
An inductor having a
-factor of 60 is connected in series with a capacitor having a
-factor of 240. The overall
-factor of the circuit is _________. (round off to nearest integer)Log in to check the answer
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Open questionEENAT1 markNeeds review
The network shown below has a resonant frequency of 150 kHz and a bandwidth of 600 Hz. The
-factor of the network is __________. (round off to nearest integer) 
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The maximum clock frequency in MHz of a 4-stage ripple counter, utilizing flip-flops, with each flip-flop having a propagation delay of 20 ns, is ____________. (round off to one decimal place)
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Open questionEENAT1 markNeeds review
If only 5% of the supplied power to a cable reaches the output terminal, the power loss in the cable, in decibels, is _________. (round off to nearest integer)
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