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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 Test Help For M.Tech Admissions Government Jobs Post-Graduate Engineering Admissions Engineering Jobs

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

1. The given ckt represents a: Question 1 of 40

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

Question 2 of 40

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

Question 3 of 40

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

Question 4 of 40

5. Current marked I is given by:

Question 5 of 40

6. 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 6 of 40

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

Question 7 of 40

8. 2H = μ0ε2H/∂+2 is a:

Question 8 of 40

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

Question 9 of 40

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

Question 10 of 40

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

Question 11 of 40

12. Schottky clamping is restored in TTL gates:

Question 12 of 40

13. N 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 13 of 40

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

Question 14 of 40

15. 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 15 of 40

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

Question 16 of 40

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

Question 17 of 40

18. Flat top sampling of low pass signals

Question 18 of 40

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

Question 19 of 40

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

Question 20 of 40

21. Te ckt is that of Question 21 of 40

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

Question 22 of 40

23. The Thevenin equivalent voltage VTH appearing between the terminals A and B of the network shown in the figure in given by: Question 23 of 40

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

Question 24 of 40

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

Question 25 of 40

26. 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 26 of 40

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

Question 27 of 40

28. The ckt shown below is that of: Question 28 of 40

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

Question 29 of 40

30. Bridge rectifiers are preferred because:

Question 30 of 40

31. For the resonance circuit shown. ω0 = 105 , Q = 50, R = 400 Ω. The value of C is given by Question 31 of 40

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

Question 32 of 40

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

Question 33 of 40

34. 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 34 of 40

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

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

Question 37 of 40

38. Question 38 of 40

39. 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 39 of 40

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

Question 40 of 40

 Test By Subject GATE Test By Topics Electronics and Communication Engineering