ECE :: Exam Questions Paper
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A single mode fibre not suffer from which type of dispersion?
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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.
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How can the bandwidth of a control system be increased?
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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:
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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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Which of the following can be used as a tachogenerator in control systems?
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Six sets of electromagnetic waves are given below :
30 - 300 KHz
10 - 30 KHz
3 - 30 MHz
300 - 3000 KHz
30 - 300 MHz
> 300 MHz
There are designated in the following order -
Which among the following waveforms can be reconstructed from its samples without distortion?
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the state transition matrix eAT is given by
