SSC JE Electrical / Mock Test Series : 2

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

2. Average power taken by a pure capacitor is –

3. Form factor of half wave rectified ac is-

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

5. 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 –

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

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

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

9. In a pure inductive circuit current is

10. Calculate the resistance between A and B

11. Instantaneous power in inductor is proportional to the –

12. Calculate the current across the 20 ohm resistor

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

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

15. Ideal voltage source has-

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

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

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

19. In a electric circuit MMF is similar to

20. Calculate the equivalent resistance between A and B

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

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

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

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

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

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

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

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

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

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

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

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

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

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

35. Form factor of square wave is-

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

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

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

39. Frequency of Direct Current is

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

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

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

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

44. KWh is the unit of -    

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

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

47. Insulating material can –

48. Ideal voltage source has-

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

50. In any AC circuit always –

51. Hysteresis loss least depends on –

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

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

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

55. 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.

56. An open coil has –

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

58. In case of D.C –

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

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

61. Calculate the equivalent resistance between A and B

62. Calculate the total current in the circuit

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

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

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

66. 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.

67. Calculate the equivalent resistance between A and B

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

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

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

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

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

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

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

75. 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?

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

77. 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?

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

79. Capacitors for power factor correction are rated in -

80. Find the voltage across the 6 ohm resistor

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

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

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

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

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

86. Battery is a

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

88. Higher the self-inductance of a coil –

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

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

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

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

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

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

95. Find the current in the circuit.

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

97. Electric pressure is also called –

98. Capacitive Susceptance is a measure of –

99. Electrolysis is possible with –

100. Batteries are generally connected in______