Electronics and Communication Engineering - Exam Questions Papers
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- Exam Questions Papers - Exam Paper 2
1.
A single mode fibre not suffer from which type of dispersion?
2.
Which of the following statements is/are true for a good conductor of electricity?
- Its conductivity decreases with increasing temperature.
- Number of free electrons is around 1028 m-3.
- Its conductivity decreases with addition of impurities.
- It is a good conductor of heat also.
3.
How can the bandwidth of a control system be increased?
4.
If an electric network R, L and C are connected in series and supplied by a voltage source then its dual network will be described by the differential equation:
5.
A signal x1(t) and x2(t) constitute the real and imaginary parts respectively of a complex valued signal x(t). What form of waveform does x(t) possess?
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