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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 14
31.
In a network with twelve circuit elements and five nodes, what is the minimum number of mesh equations?
24
12
10
8
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Consider the following:
  1. Coupling capacitor
  2. Emitter by-pass capacitor
  3. Emitter to base diffusion capacitance of the BJT
  4. Stray capacitance of the circuit.
Which of these components in a R-C coupled amplifier control the lower cut-off frequency of the amplifier?
1 and 2
2 and 3
3 and 4
l and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
When What is Y(j ω) ?
X(j ω) H(j ω)
X(j ω) + H(j ω)
X(j ω) - H(j ω)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.

Assertion (A): A z-directed rectangular waveguide with cross-sectional dimensions 3 cm x 1 cm will support propagation at 4 GHz.

Reason (R):
where λ is the wavelength.

Both A and R are individually true and R is the correct explanation of A
Both A and R are individually true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Consider differential equation with the initial condition y(0) = 0. Using Euler's first order method with a step size of 0.1, the value of y(0.3) is
0.01
0.031
0.0631
0.1
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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