Electrical Engineering
2023 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE EE 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 49–51 of 65. Imported answers require review unless explicitly marked reviewed.
Question 49
Open questionEENAT2 marksNeeds review
The period of the discrete-time signal
described by the equation below is
__________ (Round off to the nearest integer).
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Open questionEENAT2 marksNeeds review
The discrete-time Fourier transform of a signal
is
. Consider that
is a periodic signal of period
such that
Note that
. The magnitude of the Fourier series coefficient
is ______________ (Round off to 3 decimal places).Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 51
Open questionEENAT2 marksNeeds review
For the circuit shown, if
, the instantaneous value of the Thevenin’s equivalent voltage (in Volts) across the terminals a-b at time
ms is __________ (Round off to 2 decimal places). 
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