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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66

1 hours

1 hours


Created on By Electrical 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: Magnetic Circuit

1. 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?

2 / 100

Category: AC Fundamental

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

3 / 100

Category: Basic Electricity

3. The voltage across the short is?

4 / 100

Category: AC Machines & Transformer

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

5 / 100

Category: AC Fundamental

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

6 / 100

Category: AC Fundamental

6. The power factor of practical inductor is

7 / 100

Category: AC Fundamental

7. Reactive power is the product of

8 / 100

Category: Basic Electricity

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

9 / 100

Category: Magnetic Circuit

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

10 / 100

Category: Basic Electricity

10. The voltage across the open circuit is?

11 / 100

Category: AC Fundamental

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

12 / 100

Category: AC Fundamental

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

13 / 100

Category: Basic Electricity

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

14 / 100

Category: Magnetic Circuit

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

15 / 100

Category: Basic Electricity

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

16 / 100

Category: AC Fundamental

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

17 / 100

Category: AC Fundamental

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

18 / 100

Category: AC Fundamental

18. Unit of impedance is

19 / 100

Category: Basic Electricity

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

20 / 100

Category: Basic Electricity

20. Unit of resistivity is

21 / 100

Category: Basic Electricity

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

22 / 100

Category: AC Fundamental

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

23 / 100

Category: Magnetic Circuit

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

24 / 100

Category: Basic Electricity

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

25 / 100

Category: DC Machines

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

26 / 100

Category: Magnetic Circuit

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

27 / 100

Category: Circuit Theory & Network

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

28 / 100

Category: Basic Electricity

28. S.I unit of conductance is –

29 / 100

Category: Magnetic Circuit

29. Which of the following is unit less?

30 / 100

Category: AC Fundamental

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

31 / 100

Category: Basic Electricity

31. The reciprocal of resistivity is________

32 / 100

Category: AC Fundamental

32. The power factor of an ordinary electric bulb is

33 / 100

Category: AC Fundamental

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

34 / 100

Category: Basic Electricity

34. Many resistors connected in series will?

35 / 100

Category: Basic Electricity

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

36 / 100

Category: AC Fundamental

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

37 / 100

Category: Basic Electricity

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

 

38 / 100

Category: AC Fundamental

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

39 / 100

Category: Basic Electricity

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

40 / 100

Category: Magnetic Circuit

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

41 / 100

Category: Magnetic Circuit

41. The principle of electromagnetic induction was propounded by

42 / 100

Category: Circuit Theory & Network

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

43 / 100

Category: Magnetic Circuit

43. Magnetic circuit is a closed path followed by –

44 / 100

Category: Basic Electricity

44. What is the resistivity of Copper?

45 / 100

Category: Basic Electricity

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

46 / 100

Category: Magnetic Circuit

46. Magnetic lines of forces –

47 / 100

Category: Basic Electricity

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

48 / 100

Category: Magnetic Circuit

48. The reciprocal of permeability is –

49 / 100

Category: Basic Electricity

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

50 / 100

Category: Magnetic Circuit

50. The unit of magnetic flux is –

51 / 100

Category: Basic Electricity

51. The Inductor doesn’t allow sudden changes in

52 / 100

Category: AC Fundamental

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

53 / 100

Category: Basic Electricity

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

54 / 100

Category: Magnetic Circuit

54. Magnetic field is proportional to the –

55 / 100

Category: Basic Electricity

55. S.I unit of Power is –

56 / 100

Category: Magnetic Circuit

56. Magnetic field strength is

57 / 100

Category: Basic Electricity

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

58 / 100

Category: Basic Electricity

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

59 / 100

Category: Basic Electricity

59. Which is the most cost efficient connection?

60 / 100

Category: Magnetic Circuit

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

61 / 100

Category: Basic Electricity

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

62 / 100

Category: AC Fundamental

62. The frequency of an alternating current is –

63 / 100

Category: DC Machines

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

64 / 100

Category: Basic Electricity

64. The total resistance between A and B are?

65 / 100

Category: Magnetic Circuit

65. Magnetic lines of forces –

66 / 100

Category: Basic Electricity

66. Voltage across the 60 ohm resistor is______

 

67 / 100

Category: Basic Electricity

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

68 / 100

Category: AC Fundamental

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

69 / 100

Category: Circuit Theory & Network

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

70 / 100

Category: DC Machines

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

71 / 100

Category: Basic Electricity

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

72 / 100

Category: Basic Electricity

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

73 / 100

Category: AC Machines & Transformer

73. Transformer is a

74 / 100

Category: Basic Electricity

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

75 / 100

Category: Basic Electricity

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

76 / 100

Category: Basic Electricity

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

77 / 100

Category: Basic Electricity

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

78 / 100

Category: DC Machines

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

79 / 100

Category: Basic Electricity

79. The resistance of straight conductor is independent of-

80 / 100

Category: Magnetic Circuit

80. S.I unit of Reluctance-

81 / 100

Category: Basic Electricity

81. The expression for energy of an inductor

82 / 100

Category: Transformer

82. Transformer core are laminated in order to reduce –

83 / 100

Category: Basic Electricity

83. 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

84 / 100

Category: AC Fundamental

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

85 / 100

Category: AC Fundamental

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

86 / 100

Category: Basic Electricity

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

87 / 100

Category: Basic Electricity

87. The unit of frequency is the hertz

88 / 100

Category: Basic Electricity

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

89 / 100

Category: Magnetic Circuit

89. Magnetic field has -

90 / 100

Category: Basic Electricity

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

91 / 100

Category: Magnetic Circuit

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

92 / 100

Category: AC Fundamental

92. The length of a phasor represents the amplitude

93 / 100

Category: AC Fundamental

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

94 / 100

Category: DC Machines

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

95 / 100

Category: Basic Electricity

95. Resistance of any circuit depends on –

96 / 100

Category: Basic Electricity

96. The energy per unit charge is

97 / 100

Category: Basic Electricity

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

98 / 100

Category: Basic Electricity

98. The capacitor doesn’t allow sudden changes in

99 / 100

Category: Magnetic Circuit

99. Paramagnetic materials are –

100 / 100

Category: AC Fundamental

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

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