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ESE EC Exam 2018: Practice Quiz 4
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Question 1
Which one of the following relations for power is not correct?
Question 2
With respect to transmission parameters, which one of the following is correct?
Question 3
Microwave frequencies are used for communication with deep space probes primarily because they do not suffer.
Question 4
A circle is found on the screen of a CRO when 2 time varying signals of same frequency and same magnitude are applied to X and Y plates of the CRO. What is the relative phase difference?
Question 5
The data sheet for a certain JFET (Junction Field Effect Transistor) indicates that IDSS (drain to source current with gate shorted) =15 mA and VGS (off) (Cut-off value of gate to source voltage) = -5 V. What is the drain current for VGS =- 2V?
Question 6
A short current element has length I = 0.03 λ, where λ is the wavelength.
The radiation resistance for uniform current distribution is
The radiation resistance for uniform current distribution is
Question 7
When the Boolean function: is
Minimized, what does one get?
Minimized, what does one get?
Question 8
A proportional plus derivative controller
1) Has low SNR.
2) Increases the dynamic stability of the system.
3) Improves the steady-state accuracy. Which of the above statements are correct?
1) Has low SNR.
2) Increases the dynamic stability of the system.
3) Improves the steady-state accuracy. Which of the above statements are correct?
Question 9
The addressing mode that permits relocation without any change whatsoever in the code, is.
Question 10
For a transformer, the load connected to the secondary has an impedance of 8 Ω. Its reflected impedance on primary is observed to 648Ω. The turns ratio of this transformer is.
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ESE & GATE ECGeneralMay 17ESE & GATE EC