Electronics and Communication Engineering
2023 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ECE 2023 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 19–21 of 65. Imported answers require review unless explicitly marked reviewed.
Question 19
Open questionECMCQ1 markNeeds review
For a MOS capacitor,
and
are the flat-band voltage and the threshold voltage, respectively. The variation of the depletion width (
) for varying gate voltage (
) is best represented byYour answerChoose one option.
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Open questionECMCQ1 markNeeds review
Consider a narrow band signal, propagating in a lossless dielectric medium (
), with phase velocity
and group velocity
. Which of the following statement is true? (
is the velocity of light in vacuum.)Your answerChoose one option.
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Open questionECMCQ1 markNeeds review
In the circuit shown below,
and
are bias voltages. Based on input and output impedances, the circuit behaves as a 
Your answerChoose one option.
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