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Electronics and Communication Engineering - Exam Questions Papers

Exercise : Exam Questions Papers - Exam Paper 14
26.
The Ebers-Moll equation for IE in CB configuration is given by
IE = anICIECO
IE = a1Ic + ICO
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
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?
Proportional
Proportional plus derivative
Proportional plus integral
Proportional plus integral plus derivative
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Consider the following statements about a good power supply:
  1. The a.c. ripple should be high
  2. Sv, (Voltage stability factor) should be low
  3. ST, (Temperature stability factor) should be low
Which of the above statements are correct?
1, 2 and 3
2 only
3 only
2 and 3 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Which one of the following statements is correct for MOSFETS?
p channel MOS is easier to produce than n channel MOS
n channel MOS must have twice the area of p channel MOS for the same ON resistance
p channel MOS has faster switching action than n channel MOS
p channel MOS has higher packing density than n channel MOS
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Which of the following transducers requires a high input impedance preamplifier for proper measurements?
Thermocouple
Piezoelectric
Thermistor
L.V.D.T
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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