SSC JE Electrical / Mock Test Series : 2

1. In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will –

2. For a sinusoidal AC voltage, peak factor or amplitude fator or crest factor is –

3. If the voltage across a capacitor is constant, then current passing through it is ________

4. Average value can be defined based on which of the following? –

5. M.M.F in a magnetic circuit is corresponding to ……… in an electric circuit-

6. In a _________ circuit, the total resistance is greater than the largest resistance in the circuit.

7. For a sinusoidal AC voltage, amplitude factor is –

8. Average value of a sine wave is 0.707 times the peak value

9. Calculate the total current in the circuit

10. Ideal voltage source has-

11. For a sinusoidal AC voltage, amplitude factor is –

12. Ideal voltage source has-

13. Calculate the ratio of the resistivity of 2 wires having the same length and same resistance with area of cross section 2m² and 5m² respectively.

14. In a circuit containing R, L and C, power loss can take place in –

15. KWh is the unit of -    

16. Calculate the value of stored energy in an inductor if the value of inductance is 20 H and 4 A of current flows through it.

17. In a pure inductive circuit current is

18. In an AC circuit (Sine wave) with R and L in series –

19. In an AC circuit a low value of KVAR compared with KW indicates –

20. In a capacitor, the electrical energy is stored in –

21. Average power taken by a pure capacitor is –

22. In a series circuit, which of the parameters remain constant across all circuit elements such as resistor, capacitor and inductor etc?

23. An open coil has –

24. Electrolysis is possible with –

25. Calculate the equivalent resistance between A and B

26. If the inductive reactance of a coil is 6 ohm and internal resistance is 8 ohm, then the impedance will be –

27. Calculate the total resistance between the points A and B.

28. An electric incandescent lamp has the power factor of –

29. In a electric circuit MMF is similar to

30. If there are two bulbs connected in series and one blows out, what happens to the other bulb?

31. In series R-L circuit power factor can be defined as - 

32. Higher the self-inductance of a coil –

33. If the current in a coil having a constant inductance of L henrys grows at a uniform rate, what is the value of the average current?

34. In a series R-C circuit, the applied voltage –

35. Frequency of Direct Current is

36. Hysteresis loss least depends on –

37. In a series R-C circuit, the applied voltage –

38. Calculate the equivalent resistance between A and B

39. For a sinusoidal AC voltage, amplitude factor is –

40. If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is –

41. Current & Potential Difference both can be measured using –

42. Energy stored in a magnetic field is given by –

43. Find the current in the circuit.

44. If a capacitor is connected with DC supply, it will act as –

45. If the peak of a sine wave is 13 V, the peak-to-peak value is

46. Find the voltage across the 6 ohm resistor

47. Calculate the resistance between A and B

48. Calculate the value of energy stored in an inductor if the value of inductance is 10H and 2A of current flows through it.-

49. If the rms voltage drop across a 15 kΩ resistor is 16 V, the peak current through the resistor is

50. Electric field & magnetic field are interrelated and are known as –

51. In a R-L-C series circuit, if the capacitive reactance is greater than the inductive reactance, then the power factor will be –

52. Calculate the value of energy stored in an inductor if the value of inductance is 10H and 2 A of current flows through it. – 

53. If the rms current through a 4.7 kΩ resistor is 4 mA, the peak voltage drop across the resistor is

54. From heating point of view I_D.C. is equal to –

55. Calculate the emf induced in an inductor if the inductance is 10H and the current is 2 A in 4 s.

56. Color code for 1 ohm +-10% resistor is

57. If two bulbs are connected in parallel and one bulb blows out, what happens to the other bulb?

58. In a R-L-C series circuit, if the inductive reactance is greater than the capacitive reactance, then the power factor will be –

59. In an AC circuit (Sine wave) with R and L in series –

60. Battery is a

61. In any AC circuit always –

62. How many degrees are there in π/3 rad?

63. In case of D.C –

64. Capacitive Susceptance is a measure of –

65. In a magnetic material hysteresis loss takes place primarily due to –

66. If current in a conductor increases then according to Lenz's law self-induced voltage will –

67. In a R-L-C circuit, power loss takes place is –

68. Calculate the equivalent resistance between A and B

69. If energy required to heat up a heater coil is 4 KWh and the energy loss is 20%, then what is the energy input?

70. If a capacitor is connected with DC supply, it will act as –

71. Direction of DC motor can be found out by-

72. If a sine wave goes through 10 cycles in 20 μs, the period is

73. Form factor of square wave is-

74. From the following when capacitive reactance will be more?

75. An alternating voltage is given by, V = 10 sin 2πt. The frequency of the AC signal is –

76. In a R-L-C circuit, power loss takes place is – 

77. If a capacitor of capacitance 9.2F has a voltage of 22.5V across it. Calculate the energy of the capacitor.

78. Form factor of half wave rectified ac is-

79. Electric pressure is also called –

80. In a parallel circuit, with a number of resistors, the voltage across each resistor is ________

81. Instantaneous power in inductor is proportional to the –

82. For a pure inductive circuit, the average demand of power from the source will be –

83. If both the number of turns and the core length of an inductive coil are doubled, then its self-inductance will be –

84. Calculate the current across the 20 ohm resistor

85. If the length of a wire is doubled and diameter is halved, then the resistance will become _________ of the previous.

86. In a ____________ circuit, the total resistance is smaller than the smallest resistance in the circuit

87. In which device is the principle of statically induced E.M.F used?

88. Insulating material can –

89. In series R-L circuit power factor can be defined as –

90. For a 55KVA, 11000 Volts/440 Volts, 50Hz single phase transformer, the values of primary and secondary currents are –

91. If the current through x ohm resistance in the circuit is 5A, find the value of x

92. It is preferable to connect bulbs in series or in parallel?

93. Capacitors for power factor correction are rated in -

94. An Inductor works as a ___________ circuit for DC supply.

95. If the current in a coil having a constant inductance of L henrys grows at a uniform rate, what is the value of the average current?

96. Induced potential difference due to motion of magnet with respect to the coil is known as -

97. If the length of a wire is doubled and diameter is halved, then the resistance will become –

98. In series R-L circuit power factor can be defined as –

99. In series R-L circuit power factor can be defined as –

100. Batteries are generally connected in______