GATE EE 2018 Paper 1 — page 9

Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 9 of 22

The op-amp shown in the figure is ideal. The input impedance

is given by

Your answerChoose one option.

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A continuous-time input signal x(t) is an eigenfunction of an LTI system, if the output is

Your answerChoose one option.

k x(t), where k is an eigenvalue

, where k is an eigenvalue and

is a complex exponential signal

, where

is a complex exponential signal

k H(ω), where k is an eigenvalue and H(ω) is a frequency response of the system

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Consider a non-singular 2×2 square matrix A. If trace(A)=4 and trace(

)=5, the determinant of the matrix A is ______ (up to 1 decimal place).

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2018 · Paper 1