ECE :: Exam Questions Paper
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The full form of the abbreviations TTL and CMOS in reference to logic families are
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In which one of the following types of analog to digital converts the conversion time is practically independent of the amplitude of the analog signal?
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The constraint on r = |z| for which the following non-causal system
converges is -
Consider the following statements:
The conductivity of a metal has negative temperature coefficient since:- The electron concentration increases with temperature.
- The electron mobility decreases with temperature.
- The electron-lattice scattering rate increases with temperature.
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The Table given below is the mark obtained by 2 students in 8 different subjects.
The regression line of y on x is: -
The Ebers-Moll equation for IE in CB configuration is given by
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The transfer function of a controller is given as Kp + Kd.s +
where Kp, Kd and Ki are constants. What type of controller is this? -
Consider the following statements about a good power supply:
- The a.c. ripple should be high
- Sv, (Voltage stability factor) should be low
- ST, (Temperature stability factor) should be low
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Which one of the following statements is correct for MOSFETS?
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Which of the following transducers requires a high input impedance preamplifier for proper measurements?
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