SSC JE Electrical / Mock Test Series : 2

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

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

3. Ideal voltage source has-

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

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

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

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

8. 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 –

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

10. Form factor of square wave is-

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

12. 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.

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

14. Ideal voltage source has-

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

16. Calculate the current across the 20 ohm resistor

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

18. Form factor of half wave rectified ac is-

19. 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.

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

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

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

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

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

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

26. Find the current in the circuit.

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

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

29. In any AC circuit always –

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

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

32. Frequency of Direct Current is

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

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

35. Calculate the equivalent resistance between A and B

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

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

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

39. Average power taken by a pure capacitor is –

40. Capacitive Susceptance is a measure of –

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

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

43. Electrolysis is possible with –

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

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

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

47. In a pure inductive circuit current is

48. Insulating material can –

49. In a electric circuit MMF is similar to

50. Battery is a

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

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

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

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

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

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

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

58. Electric pressure is also called –

59. Calculate the equivalent resistance between A and B

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

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

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

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

64. KWh is the unit of -    

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

66. Batteries are generally connected in______

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

68. An open coil has –

69. Calculate the total current in the circuit

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

71. Calculate the equivalent resistance between A and B

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

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

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

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

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

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

78. 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?

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

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

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

82. Calculate the resistance between A and B

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

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

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

86. Higher the self-inductance of a coil –

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

88. In case of D.C –

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

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

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

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

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

94. Instantaneous power in inductor is proportional to the –

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. Find the voltage across the 6 ohm resistor

97. Hysteresis loss least depends on –

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

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

100. Capacitors for power factor correction are rated in -