GATE Electrical Engineering Paper Test 2 Online

1. The minimal product of sums function described bu the K-map give in figure

2. For a quadrupole electric potential varies as

3. If –ve logic is used, the diode gate shown in the given figure will represent

4. Common mode voltage is completely attenuated at the output to the differential amplifier shown in the given figure if

5. In an R-L-C circuit susceptance is equal to

6. If the no. of bits input and output codes in 4 and 8 respectively for a ROM then the memory of this chip is equal to

7. A sphere of radii 1 m can attain a maximum potential of

8. A current (shown in the given figure) passes through a pure inductance of 3 mH. The instantaneous power, in watts, during 0 < t < 2 ms is:

9. The capacity of a battery is expressed in

10. An average response rectifier type electronic ac voltmeter has a dc voltage of 10 V applied to it. The meter reading will be

11. In the circuit shown in figure, if I₁ = 1.5 A, then I₂ will be

12. The output time period of a transistorised monostable multivibrator using base resistor R_b and coupling capacitor C_b for the output transtor is given by

(a) R_b C_b

(b) 0.69 R_b C_b

(c) 2 R_b C_b

(d) 1.38 R_b C_b

13. If the input signal e_i applied to the op-amp of the circuit shown in the given figure is sinusoidal of maximum value 1 mV and of 1 kHz frequency. Then the magnitude of the peak value of the output voltage waveform would be

14. The unit of electric intensity is

15. For the oscillator shown in figure, the expression for the time period of oscillation can be given by (where τ = RC)

16. The instrument most likely to be affected by change of frequency

17. The open-loop transfer function of a system is given by G(S) = K/S(S+2)(S+4). The value of K which will cause sustained oscillations in the closed-loop unity feedback system is

18. Which of the following resistances has better frequency response

19. A salient pole synchronous generator connected to an infinite bus will deliver maximum power at a power angle to

20. In dc generators, the residual magnetism is of the order of

21. The internal resistance of a saturated Weston standard cell is of the order of

22. The power input to synchronous motor operating at constant supply voltage and constant excitation will be maximum when load angle

23. If properly biased, JFET will act as a

24. In the bridge given in figure, the reading of the high impedance voltmeter is

25. An electromagnetic field is radiated from

26. The closed-loop of the system in R(S) the given figure is

27. The transfer function of a system is 10/1+S. When operated as a unity feedback system the steady state error to a unit step will be

28. A dc generator delivers 210 V on no load and 200 V on full-load. The voltage regulation of the dc generator is

29. The circuit shown figure is equivalent to a load of

30. In a large capacity transformer, 5% of the turns at the end of hv winding are providing with extra insulation so as to provide protection

31. If the supply frequency of a pure capacitive circuit is tripled, the current will be

32. The span of a zero-centerd voltmeter having a scale from – 10 V to + 10 V is

33. The wheatstone bridge method of resistance measurement is ideally suitable for the measure-ment of resistance values in the range of

34. The RMS value of a half-wave rectified symmetrical square wave current of 2 A is

35. The p.f. of an a.c. circuit lies between

36. A computer system has a cache memory of 64 kb, ROM of 32 kb and RAM of 512 kb. What is the maximum capacity of the memory available to a programmer?

37. Core loss in a transformer is usually

38. Given (125)_R = (203)₅, the value of radix R will be

39. If R_g in the circuit shown in the given figure is variable between 20 Ω and 80 Ω then the maximum power transferred to load R_L will be

40. A half-wave thyristor converter supplies a purely inductive load, as shown in figure. If the triggering angle of the thyristor is 120°, the extinction angle will be