GATE & PSUs - Electrical & Electronics Engineering (EE & ECE)

Analog Modulation (AM, FM, PM & Superheterodyne) question bank (Electromagnetics & Communication Systems)

Practice 7 free GATE & PSUs - Electrical & Electronics Engineering (EE & ECE) Electromagnetics & Communication Systems - Analog Modulation (AM, FM, PM & Superheterodyne) questions with answers and step-by-step solutions.

Start free Book a demo

All Hard Medium

Q1.

[Analog Modulation (AM, FM, PM & Superheterodyne) Concept 9] The matrix $A = \begin{pmatrix} 2 & 1 \\ 1 & 2 \end{pmatrix}$ has eigenvalues $\lambda_1$ and $\lambda_2$. What are the eigenvalues of the matrix $A^3 - 2A + I$?

(A)

$22$ and $0$

(B)

$8$ and $1$

(C)

$27$ and $1$

(D)

$24$ and $2$

Show answer & solution

Verified Answer & Solution Locked

Q2.

[Analog Modulation (AM, FM, PM & Superheterodyne) Concept 19] The matrix $A = \begin{pmatrix} 2 & 1 \\ 1 & 2 \end{pmatrix}$ has eigenvalues $\lambda_1$ and $\lambda_2$. What are the eigenvalues of the matrix $A^3 - 2A + I$?

(A)

$22$ and $0$

(B)

$8$ and $1$

(C)

$27$ and $1$

(D)

$24$ and $2$

Show answer & solution

Verified Answer & Solution Locked

Protected Questions

Unlock All 3 Questions in Analog Modulation (AM, FM, PM & Superheterodyne)

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign up free to access all 3 questions

Unlock every Analog Modulation (AM, FM, PM & Superheterodyne) question, generate papers, and practice at your own pace.

Start free