GURU MCQs provides Electrical Engineering MCQs for Job Test and Interview Preparation, suitable for fresh graduates, students, and competitive exams. Most repeated Electrical Engineering MCQs section is frequently encountered in CSS, PMS, Inspector, ASI, Sub-inspector, Constable, FPSC, PPSC, ETEA, FIA, Police, Army, Navy, Airforce, IB, MOFA, ASF, LHC, Educators, and various other competitive exams, as well as government and private job assessments. Electrical Engineering most repeated MCQs include Analog and Digital Communications, Control Systems, Power Electronics, Electric Circuits, Electric machines, Electrical measurement & units, Utilization of Electrical Energy, Basic Electrical Engineering, Electrical Installation, Power Systems, Testing & maintenance of electrical equipment’s – and much more.

41. The ac output voltage waveform of VSI and AC output current waveform of CSI respectively is composed of___________?

A. High dv / dt, low di / dt
B. Low dv / dt, low di / dt
C. Low dv / dt, high di / dt
D. High dv / dt, high di / dt

42. An RC snubber network used in BJT__________?

A. Divert the collector current during turn – off
B. Improves the reverse bias safe operating area
C. Dissipates a fair amount of switching power
D. All of these

43. A MOSFET, for its conduction uses_____________?

A. Only minority carriers
B. Only majority carriers
C. Both minority and majority carriers
D. None of these

44. Advantages of Cuk converter is / are_____________?

A. Large number of reactive component
B. Low stress on switch
C. Low stress on capacitor
D. None of these

45. In a flyback converter, the inductor of the buck-boost converter has been replaced by a_____________?

A. Flyback capacitor
B. Flyback resistor
C. Flyback transformer
D. Flyback transistor

46. MOSFET stands for______________?

A. Metal – oxide semiconductor field effect transistor
B. Molybdenum – oxide semiconductor field effect transistor
C. Metal – oxide silicon field effect transistor
D. Metal – oxide semiconductor field effect transmitter

47. In a push – pull converter, the filter capacitor can be obtained as____________?

A. Cmin = V / ( Vr L f2 )
B. Cmin= ( 1 – D ) V / ( Vr L f2 )
C. Cmin= ( 1 – 2 D ) V / 32 ( Vr L f2 )
D. Cmin= ( 1 – 2 D ) V / 42 ( Vr L f2 )

48. Kingdom Protoctista includes_______________?

A. Prokaryotic organisms
B. Unicellular organisms
C. Fungi
D. Eu-cariotiquic organisms

49. The size of poxvirus is_______________?

A. 20 nm
B. 200 nm
C. 250 nm
D. 300 nm

50. Electric pressure is also called________?

A. resistance
B. power
C. voltage
D. energy