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Exam Details

Electronics & Communication Engineering (EC) 2008

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Questions 85
Duration 180 mins
Package Electronics & Communication Engineering (EC) - Previous Year Papers

Paper pattern & analysis

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Showing all 85 questions in this paper.

Subject distribution

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Topic distribution

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Subtopic distribution

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Difficulty distribution

Easy 82 96.5%
Hard 3 3.5%

Question type distribution

Multiple Choices 82 96.5%
Fill in the blanks 3 3.5%

Instructions

Electronics & Communication Engineering (EC) 2008 – Instructions
  • Total number of questions: 85
  • 20 questions carry one mark each
  • 65 questions carry two marks each
  • Negative marking: 1/4 of the marks allotted to the question
  • Use of calculator is allowed
  • This is a proctored examination
  • All other browser applications will be automatically closed
  • After three warnings, the examination window will close automatically

Syllabus

Full Syllabus

Sample questions from this paper

Questions are selected across the paper subjects wherever the paper contains that variety.

1
2008 · Unclassified
Electronics & Communication Engineering (EC) 2008
Q.1 – Q.20 carry one mark each.

All the four entries of the 2×2 matrix P = are nonzero, and one of its eigenvalues is zero. Which of the following statements is true?

A
p₁₁p₂₂ - p₁₂p₂₁ = 1
B
p₁₁p₂₂ - p₁₂p₂₁ = -1
C
p₁₁p₂₂ - p₁₂p₂₁ = 0
D
p₁₁p₂₂ + p₁₂p₂₁ = 0
2
2008 · Unclassified
Electronics & Communication Engineering (EC) 2008

The system of linear equations 4x + 2y = 7, 2x + y = 6 has

A
a unique solution
B
no solution
C
an infinite number of solutions
D
exactly two distinct solutions
3
2008 · Unclassified
Electronics & Communication Engineering (EC) 2008

The equation sin(z) = 10 has

A
no real or complex solution
B
exactly two distinct complex solutions
C
a unique solution
D
an infinite number of complex solutions
4
2008 · Unclassified
Electronics & Communication Engineering (EC) 2008

For real values of x, the minimum value of the function f(x) = exp(x) + exp(−x) is

A
2
B
1
C
0.5
D
0
5
2008 · Unclassified
Electronics & Communication Engineering (EC) 2008

Which of the following functions would have only odd powers of x in its Taylor series expansion about the point x = 0?

A
sin(x²)
B
sin(x³)
C
cos(x²)
D
cos(x³)
6
2008 · Unclassified
Electronics & Communication Engineering (EC) 2008

Which of the following is a solution to the differential equation dx(t)/dt + 3x(t) = 0?

A
x(t) = 3e⁻ᵗ
B
x(t) = 2e⁻³ᵗ
C
x(t) = 3t²
D
x(t) = 3x²