GATE ECE 2026 Paper 1 — page 20

Questions 58–60 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 20 of 22

Let

and

represent two sinusoids for a positive integer

and

. Which of the following statements about

and

is/are valid?

Your answerSelect all correct options. You can choose more than one.

and

are orthogonal to each other over

and

are orthonormal to each other over

is a harmonic of

and

are non-orthogonal to each other over

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Consider the unity negative feedback control system shown in the Figure. The value of gain

(

) at which the given system will remain marginally stable is ___. (Answer in integer)

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An n-channel MOSFET is connected as shown in the Figure. Assume

, and

and neglect channel length modulation effects. The gate voltage (

) of the n-channel MOSFET (in Volt) is ___. (rounded off to two decimal places)

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2026 · Paper 1