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GATE Electronics and Communication Test Paper 2 Online

Test Name GATE Electronics and Communication Test Paper
Subject GATE
Test Type MCQs
Total Question 40
Total Marks 80
Total Time 40 Minutes
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GATE Electronics and Communication deals with implementation of applications, principles and algorithms developed within many related fields. ECE course also afford enormous job opportunities in electronics and software companies. All electronic devices need software interface to run and come with one other or other device controlling programs architect ed and developed by GATE electronics and communication engineering. This test covers all subjects topics of GATE ECE test for preparation online through Mcqs questions and answers.

Take following Mcqs test for check your knowledge before appear in examinations..

GATE Electronics and Communication Test Paper 2 Online


1. If the conductivity of the copper is 5.8 x 107 mho/m and its relative permeability and permittivity is unity, then its refractive index at 10 MHz will be:

Question 1 of 40

2. The power spectral density a deterministic signal is given by [sin(f)/f2] where f is frequency. The auto correlation function of this signal in the time domain is:

Question 2 of 40

3. The positive number 0.0001 is to subtracted from 0.0011. the arithmetic unit of a computer would perform by adding:

Question 3 of 40

4. A rectangular pulse of duration T is applied to a filter matched to this input. The output of the filter is a:

Question 4 of 40

5. Which of the following steps will help in frequency stablisation of an oscillator?

Question 5 of 40

6. Bridge rectifiers are preferred because:

Question 6 of 40

7. In a transistor amplifier, ICQ = 5 mA and ac collector current of 1 mA peak flows into a load of 1kΩ. The average dc power dissipated in the load is:

Question 7 of 40

8. The phase velocity v in a transmission line is:

Question 8 of 40

9. High cut-off frequency can be expected in case of:

Question 9 of 40

10. The Thevenin equivalent voltage VTH appearing between the terminals A and B of the network shown in the figure in given by:

Question 10 of 40

11. How many 1/0 ports can be accessed by memory mapped method?

Question 11 of 40

12. The Fourier transform of unit step function is given by:

Question 12 of 40

13. The number of link branches in a graph of 6 nodes and 9 branches is:

Question 13 of 40

14. The trigonometrical Fourier series of an even function of time does not have the

Question 14 of 40

15. For the resonance circuit shown. ω0 = 105 , Q = 50, R = 400 Ω. The value of C is given by

Question 15 of 40

16. 2H = μ0ε2H/∂+2 is a:

Question 16 of 40

17. Schottky clamping is restored in TTL gates:

Question 17 of 40

18. The diffusion capacitance of a forward biased p-n junction diode varies:

Question 18 of 40

19. Foe successive approximation, with N output bits number of clock required is:

Question 19 of 40

20. What should be the oscillator frequency for tunning in 90 MHz on a FM radio with 110.7 MHIF?

Question 20 of 40

21. The given ckt represents a:

Question 21 of 40

22. The Fourier transform of a real valued time signal has ...... symmetry

Question 22 of 40

23. How many and what are the machine cycles needed for execution of XTHL?

Question 23 of 40

24. A constant N - circle having centre at (-1/2, jO) in the G-plane, represents the phase angle equal to:

Question 24 of 40

25. Te ckt is that of

Question 25 of 40

26. In the given ckt:
v = cos t. The current I is given by:

Question 26 of 40

27. In a bipolar transistor at room temperature, of the emitter current is doubled the voltage across its base-emitter function.

Question 27 of 40

28. The ckt shown below is that of:

Question 28 of 40

29. Ck voltage

Question 29 of 40

30. Given for an FET, gm = 9.5 mA/volt, total capacitance = 500 pF. For a voltage gain of -30 the bandwidth will be:

Question 30 of 40

31. In the given below.
S is open . V0 = 6, I0 = 0
When Sis closed at t = 0. The values of i and di/dt at t = 0 are given by:

Question 31 of 40

32. A coil with a 100 XL at 3 MHz and 100Ωinternal resistance has a value of Q

Question 32 of 40

33. An instruction used to get the carry flag in a computer can be classified as:

Question 33 of 40

34. CurrentCurrent marked I is given by:

Question 34 of 40

35. differentN contains sources and resistors. I is given for different values of R
I = 1 for R = 2
I = 3/2 for R = 1
Value of 1 for R = 0 is given by

Question 35 of 40

36. In the ckt shown β = 99, VEB = 0.6. The operating point VC, Ic are given by

Question 36 of 40

37. The advantage of using a dual slope ADC in a digital voltmeter is that

Question 37 of 40

38. A differential amplifier has RL = 10 k (for both collectors) hre = 1k, Re = 50k, hfe = 100. The common mode gain is given by:

Question 38 of 40

39. For a Schmitt trigger, the upper and lower trip voltages are 3V and 1V; and high and low states are 15V and 2V. The output for sinusoidal input of 10V peak will lie between

Question 39 of 40

40. Flat top sampling of low pass signals

Question 40 of 40


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