1. power factor? Answer: true power/apparent power2. To reduce cost of power generation? Answer: Load factor(higher/increase)+Diversity factor(higher increase)3. An Ideal voltage source has internal resistanceAnswer: 0Ω Resistance4. An Ideal current source has internal resistanceAnswer: ∞Ω Resistance5. ____ is defined as the measure of instrument by which it is error freeA. AccuracyB. PrecisionC. Resolution6. Electrical lines of force about a negative charge areA. Circular, anticlockwiseB. Circular, clockwiseC. Radial, inwardD. Radial, outwardAnswer: C7. A _____ meter is used a null detector in wheatstone bridgeA. AmmeterB. VoltmeterC. GalvanometerAnswer: voltemeter8. A moving iron ammeter coil has few turns of thick wire in order to have:A. Low resistanceB. High sentivityC. Effective dampingD. Large scaleAnswer: A9. A permanent magnet coil meter has which featuresA. Low power consumptionB. no hysteresis lossC. reduced eddy currentD. reduced dampingE. all10. A digital signal is what in A. DicreteB. Discrete in timeC. Discrete in amplitudeD. Discrete in neather time nor amplitudeE. Discrete in both amplitude and timeAnswer: E11. The EM field and current are concentrated close to the surface of the conductor. The phenomenon is called? Answer: Skin Effect 12. The wavelength of an EM wave after reflection at an angle on a surfaceAnswer: Increases in the actual direction of propagation13. When electric field is parallel to the plane of incidence, the electromagnetic wave is said to be

Answer: Parallel polarized14. Δ x H = J + D is Maxwell equation15. Bucholz relay is used in Transformer Protection16. Gates between following range reffered by MSI17. Gates between following range reffered by LSI18. Which type of system is referred by pneumatic systemA. PressureB. HydraulicC. Fluid19. Solid grounding is used for voltagesa. above 220 kVb. above 11 kVc. below 660 Vd. below 115 VAnswer: C20. Cross over distortion is Answer: Class B21. The channel of a JFET is between theA. Gate and drainB. Drain and sourceC. Gate and sourceD. Input and outputAnswer: B22. Velocity saturation in MOSFET is 23. Which type of engine uses maximum air fuel ratioA. Petrol engineB. Gas engineC. Diesel engineD. Gas turbineE. Hydro turbine24. If ROC (Region of Convergence) does not converge25. Transfer function isA. Mathematical modelB. System with no physical structureC. Can be calculated through differential equations26. In LTI system is characterized byA. Impulse inputB. Step input27. When the current decreases to 2% the power in bulb decrease to28. Question about Convolution29. Which bulb operates on lowest powerA. Night bulbB. Neon bulbC. GLS bulbD. Torch lampAnswer: D30. Which thing happens in gas discharge lampsAnswer: Ionization in vapor or gas

31. Continuous signal in the time domain in frequency domain32. Superposition theorem relates to33. Which of the following relay is used in Motor for protectionAnswer: Thermal relay34. Kilowatt hour is the unit ofAnswer: Energy35. In z transform cos pi/4 is the period is equal to36. What will be the sampling frequency that reveals the same sampled signal37. Which transistors are used in TTL? Bipolar38. Which system used dc to dc high voltage gainA. Solar systemB. Battery backup39. Which statement is false for switching regulators 40. To decrease the power in control system we use41. Power plant the availability of power is least forA. WindB. SolarC. TidalD. GeothermalE. Bio gass42. A diode that has a negative resistance characteristics is the A. Schottkey diode B. Tunnel diode C. Hot-carrier diodeD. Laser diodeE. Zener DiodeAnswer: B43. Common mode rejection ratio is the ratio ofAnswer: Differential mode gain to Common Mode gain44. Resolution of ADC is defined as the no of bits inAnswer: Output 45. The control system is used for46. Horizontal line in the s plane is for47. Recharge able batteries are called? Secondary batteries48. The batteries which are charged and discharged continuously49. Which system needs more stability A. Automatic washing machineB. Traffic signal systemC. Home heating systemD. Motor with position control

50. Natural frequency in the control system represents51. For measuring small resistance we useAnswer: Kelvin bridge52. Hay bridge is used for the measurement ofAnswer: Inductance53. ____ bridge used for the measurement of resistanceAnswer: Wheatstone bridge

54. In three phase 4 wire system how many voltages are availableAnswer: Two55. _____ acts as voltage controlled variable capacitorAnswer: Varactor56. By which a meter after checking with no current returns to its previous stateAnswer: Controlling Torque57. By connecting a shunt of higher value in ammeter what will decreaseAnswer: Current sensitivity decreases58. If z transform lies in ROC then A. System is stableB. Inverse of system is stableC. Both system and its inverse are unstableD. Both system and its inverse are stable59. If R1 is the resistance of a coil of copper at t oC and RT is the resistance at T oC and also the resistance temperature coefficient of copper per degree centrigrade at 0oC is 1/234.45, then Rt/RT(A) (1+t) / (1+T)(B) (1+ 234.45t) / (1+234.45 T)(C) (234.45 + t) / (234.45 + T)(D) (234.45 + t2 ) / (234.45 + T 2).60. The shunt winding of a motor has a resistance of 85 ohm at 22oC. When the motor runs at full load, its resistance increases to 100 ohms. The resistance temperature coefficient of winding per 0oC is 0.004. The rise in temperature of the winding will be nearly(A) 20oC(B) 50oC(C)70oC(D) 100oC.61. Wimbledon Tournament is for? Lawn Tennis62. All organizations share63. For minimum input a person has got the output he has used the resourcesefficiently64. Sharjah is in? UAE65. Against Nehru’s Report Qaid-e-Azam proposed a solution of how many points? Answer: 14 points 66. the punishment for robbery in Islam67. on simple series question (___, 15, 19, 24,) answer 1268. Which of the following Rukn-e-Islam is called a shield? Answer: Fasting 69. What is the literal meaning of word Qiblah? Answer: In front of70. Northern end of Pakistan is occupied by western range of which of following? Answer: Himalayan range 71. The ancient name of IRAN72. TLRIA is to WOULD then YBVLKA is for? BEYOND73. Which word will be in the middle select and tick that oneA. RigorousB. RetrospectiveC. RemoveD. ReviveE. rumor

74. on 6th September India attacked75. Washington DC is called ____ (City of Magnificent Distance)