Electrical Circuits

91. If voltage across the plates of 2 F capacitor is increased by 4 V, then charge on the plates will

1. Decrease by 2 C
2. Increase by 2 C
3. Decrease by 4 C
4. Increase by 4 C

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92. In a circuit, a passive element is one which

1. Supplies energy
2. Receives energy
3. Both supplies and receives energy
4. Attenuates signal

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93. In a circuit, an active element is one which

1. Supplies energy
2. Receives energy
3. Both supplies and receives energy
4. Amplifies signal

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94. In a complex number 5 + j 10, 10 is called __________ part.

1. Imaginary
2. Real
3. Conjugate
4. Integer

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95. In a complex resistance-reactance plane, XL is represented

1. By an axis opposite the R axis
2. By an axis perpendicular to the XC axis
3. By an axis opposite the XC axis
4. By an axis parallel to the R axis

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96. In a multiple capacitor, the plate area is

1. Increased
2. The same
3. Decreased
4. Variable

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97. In a parallel bank with unequal branch resistances

1. The highest R has the highest I
2. The lowest R has the highest V
3. The lowest R has the highest V
4. The highest R has the highest V

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98. In a pure capacitance,

1. Current leads voltage by 90°
2. Current leads voltage by 180°
3. Current lags voltage by 90°
4. Current lags voltage by 180°

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99. In a rectangular wave, the form factor is

1. 1.11
2. 1.16
3. 1
4. 1.73

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100. In a rectangular wave, the peak factor is

1. 1.16
2. 1.73
3. 1.11
4. 1

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