SSC JE Electrical / Mock Test Series : 1

Topic : Mixed Technical (Electrical Engg.)

No. of Question : 100

Type : MCQ

Time : 60 Minutes

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818

1 hours

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Created on By Pranab Kumar ChandraElectrical Notebook

SSC JE Electrical / Mock Test Series : 1

Notification 2023 has been released on 26th July 2023. A total of 198 vacancies have been announced in various departments of the Central Government. The last date to apply online is 16th August. SSC JE 2023  Candidates with a degree/diploma in the relevant engineering  stream are eligible for this post. The selection will be based on Computer Based Test (Paper I, Paper-II), Document Verification, and Medical Examination. Physical Standard Test/Physical Efficiency Test is conducted only for candidates applying in BRO.
The finally appointed candidates will get a salary range between Rs. 35,400/- to Rs. 1,12,400/-.

1 / 100

Category: Basic Electricity

1. The average half-cycle value of a sine wave with a 40 V peak is

2 / 100

Category: Basic Electricity

2. S.I unit of conductance is –

3 / 100

Category: AC Fundamental

3. The energy stored by a capacitor is given by –

4 / 100

Category: Magnetic Circuit

4. Magnetic field strength is

5 / 100

Category: Magnetic Circuit

5. S.I unit of Reluctance-

6 / 100

Category: Circuit Theory & Network

6. The component of current which is in quadrature with supply voltage, is –

7 / 100

Category: AC Fundamental

7. The length of a phasor represents the amplitude

8 / 100

Category: AC Machines & Transformer

8. Transformer is a

9 / 100

Category: AC Fundamental

9. The square waveform of current has following relation between R.M.S. value and average value –

10 / 100

Category: Basic Electricity

10. Three lamps are connected in parallel across the voltage source. What happen if one lamp will burn out? –

11 / 100

Category: Basic Electricity

11. Which of the following statements are true with regard to resistivity?

12 / 100

Category: Magnetic Circuit

12. Magnetic circuit is a closed path followed by –

13 / 100

Category: Basic Electricity

13. The duty cycle of a pulse waveform with a pulse width of 10 µs and a period of 100 µs is 25%.

14 / 100

Category: Basic Electricity

14. The voltage across the short is?

15 / 100

Category: AC Fundamental

15. Two waves of the same frequency have opposite phase when the phase angle between them is –

16 / 100

Category: Basic Electricity

16. The capacitor doesn’t allow sudden changes in

17 / 100

Category: Basic Electricity

17. What is the RMS value of the current if the maximum value of sine wave current is 100 A?

18 / 100

Category: Basic Electricity

18. Three lamps are connected in parallel across the voltage source. What happen if one lamp will burn out? –

19 / 100

Category: Basic Electricity

19. Three nos 6-ohm resistances are connected in delta. Value of resistances if connected in star – 

20 / 100

Category: AC Fundamental

20. The peak value of a sine wave is 200 V. Its average value is –

21 / 100

Category: Basic Electricity

21. The reciprocal of resistivity is________

22 / 100

Category: Magnetic Circuit

22. Paramagnetic materials are –

23 / 100

Category: Magnetic Circuit

23. Unit of magnetic flux density is in S.I.

24 / 100

Category: Basic Electricity

24. The voltage across the open circuit is?

25 / 100

Category: AC Fundamental

25. The power factor of an ordinary electric bulb is

26 / 100

Category: Magnetic Circuit

26. Strength of the electromagnet can be increased by increasing –

27 / 100

Category: AC Fundamental

27. RMS value can be defined based on which of the following? –

28 / 100

Category: AC Machines & Transformer

28. With the star delta starter the voltage across the motor winding at starting is – 

29 / 100

Category: Basic Electricity

29. To obtain a high value of capacitance, the permittivity of dielectric medium should be –

30 / 100

Category: Circuit Theory & Network

30. Which of the following will not be affected due to change in R?

31 / 100

Category: Basic Electricity

31. The Inductor doesn’t allow sudden changes in

32 / 100

Category: Magnetic Circuit

32. The reciprocal of permeability is –

33 / 100

Category: Basic Electricity

33. The insulating medium between the two plates of capacitor is known as __________

34 / 100

Category: Basic Electricity

34. What is the relation between resistance R and resistivity ρ of a wire ?

35 / 100

Category: AC Fundamental

35. Sparking may occurs when a load is switched off due to the presence of –

36 / 100

Category: Basic Electricity

36. Voltage across the 60 ohm resistor is______

 

37 / 100

Category: Basic Electricity

37. Which, among the following is a unit for resistivity?

38 / 100

Category: Basic Electricity

38. What is the value of x if the current in the circuit is 5 A?

 

39 / 100

Category: Magnetic Circuit

39. Magnetic lines of forces –

40 / 100

Category: Magnetic Circuit

40. The induced E.M.F. and current always oppose the cause of producing them is according to which law?

41 / 100

Category: AC Fundamental

41. RMS value can be defined based on which of the following? –

42 / 100

Category: Circuit Theory & Network

42. What will be the Q-factor of a circuit, if power factor is 0.9?

43 / 100

Category: Basic Electricity

43. Which of the following statements are true with regard to resistance?

44 / 100

Category: AC Fundamental

44. The power factor of an AC circuit lies between –

45 / 100

Category: Magnetic Circuit

45. What is the power in the magnetic field if the current in a coil has a constant inductance of L henrys grows at a uniform rate?

46 / 100

Category: Basic Electricity

46. What happens to the current in the series circuit if the resistance is doubled?

47 / 100

Category: AC Fundamental

47. The form factor for a sinusoidal a.c. voltage is – 

48 / 100

Category: AC Fundamental

48. The frequency of an AC voltage,e= 100 cos 314t , will be –

49 / 100

Category: Basic Electricity

49. What is the voltage measured across a series short?
a) b)  c)  d) 

50 / 100

Category: DC Machines

50. Which DC motor is preferred for wide range of speed regulation?

51 / 100

Category: AC Fundamental

51. RMS value can be defined based on which of the following? –

52 / 100

Category: Basic Electricity

52. The formula used to find the capacitance C is __________

53 / 100

Category: AC Fundamental

53. The alternative name/names for active power is/are –

54 / 100

Category: AC Fundamental

54. The frequency of an alternating current is –

55 / 100

Category: Magnetic Circuit

55. Magnetic field is proportional to the –

56 / 100

Category: Magnetic Circuit

56. Magnetic lines of forces –

57 / 100

Category: Basic Electricity

57. The current in each branch of a parallel circuit is proportional to _________

58 / 100

Category: AC Fundamental

58. Real part and imaginary part of admittance are respectively –

59 / 100

Category: AC Fundamental

59. The equation for instantaneous value of alternating current is, then time period will be –

60 / 100

Category: Basic Electricity

60. Resistance of any circuit depends on –

61 / 100

Category: Basic Electricity

61. The units for inductance is _________ and capacitance is ___________

62 / 100

Category: AC Fundamental

62. Unit of impedance is

63 / 100

Category: Basic Electricity

63. The total resistance between A and B are?

64 / 100

Category: Basic Electricity

64. The unit of frequency is the hertz

65 / 100

Category: Magnetic Circuit

65. The unit of magnetic flux is –

66 / 100

Category: Basic Electricity

66. One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is

67 / 100

Category: Basic Electricity

67. The energy per unit charge is

68 / 100

Category: Basic Electricity

68. S.I unit of Power is –

69 / 100

Category: Magnetic Circuit

69. When a permanent magnet is cut half what will be the result?

70 / 100

Category: Magnetic Circuit

70. Magnetic field has -

71 / 100

Category: AC Fundamental

71. The most important advantage of using electrical energy in the form of a AC is –

72 / 100

Category: Magnetic Circuit

72. The principle of electromagnetic induction was propounded by

73 / 100

Category: Basic Electricity

73. The instantaneous value is the voltage or current value of a waveform at its peak

74 / 100

Category: DC Machines

74. Principle of dynamically induced E.M.F is used in a –

75 / 100

Category: DC Machines

75. The direction of rotation of a dc motor is found out by

76 / 100

Category: Magnetic Circuit

76. Which rule do we use to predict the direction of movement of a current carrying wire in a magnetic field?

77 / 100

Category: Basic Electricity

77. When a sine wave has a frequency of 100 Hz in 12 s it goes through

78 / 100

Category: Magnetic Circuit

78. Which is the property of a coil by which a counter E.M.F is induced when the current through the coil changes?

79 / 100

Category: DC Machines

79. Which of the following is used to determine the direction of rotation of D.C motor?

80 / 100

Category: AC Fundamental

80. The frequency of an AC voltage in India, is–

81 / 100

Category: Basic Electricity

81. Unit of resistivity is

82 / 100

Category: Basic Electricity

82. Materials which easily allow the passage of electric current are known as ______

83 / 100

Category: Transformer

83. Transformer core are laminated in order to reduce –

84 / 100

Category: Basic Electricity

84. Periodic is characterized by a repetition at fixed time intervals

85 / 100

Category: Basic Electricity

85. What is the resistivity of Copper?

86 / 100

Category: Magnetic Circuit

86. Statically induced E.M.F’s magnitude depends on the –

87 / 100

Category: Magnetic Circuit

87. Which of the following is unit less?

88 / 100

Category: Basic Electricity

88. Which is the most cost efficient connection?

89 / 100

Category: Basic Electricity

89. Three lamps are connected in parallel across the voltage source. What happen if one lamp will burn out?

90 / 100

Category: AC Fundamental

90. The power factor of practical inductor is

91 / 100

Category: Basic Electricity

91. When an alternating current passes through an Ohmic resistance the electrical power converted into heat is –

92 / 100

Category: AC Fundamental

92. The RMS value of a sine wave is 100 A. Its peak value is –

93 / 100

Category: AC Fundamental

93. Reactive power is the product of

94 / 100

Category: Basic Electricity

94. Many resistors connected in series will?

95 / 100

Category: Basic Electricity

95. The flow of electron in solids is due to –

96 / 100

Category: DC Machines

96. The direction of rotation of a dc generator is found out by

97 / 100

Category: Basic Electricity

97. What is the relation between resistance R and resistivity ρ of a wire ?

98 / 100

Category: Basic Electricity

98. The currents in the three branches of a parallel circuit are 3 A, 4 A and 5 A. What is the current leaving it?

99 / 100

Category: Basic Electricity

99. The expression for energy of an inductor

100 / 100

Category: Basic Electricity

100. The resistance of straight conductor is independent of-

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