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Electric Circuits

Electric Circuits
Condition of reciprocity in Y-parameter representation is

 Y11 = Y22.
 Y12 = Y22.
 Y12 = Y21.
 Y11 = Y12.

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Electric Circuits
The unit of resistivity is

 Ω / m².
 Ω / metre.
 Ω.
 Ω - metre.

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Electric Circuits
Aluminium is produced from bauxite by

  oxidation.
  rotating.
  electrolytic process.
  froth flotation.

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Electric Circuits
A parallel plate capacitor has a capacitance of C farad. It area of the plates is doubled and the distance between them is half, the capacitance of the capacitor is

 16C Farad.
 2C Farad.
 C Farad.
 4C Farad.

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Electric Circuits
KCL works on the principle of which of the following

 both.
None of these
 law of conservation of charge.
 law of conservation of energy.

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Electric Circuits
A 10 μF capacitor and 100 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow brightest?

 100 Hz.
 1 Hz.
 10 Hz.
 1000 Hz.

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MORE MCQ ON Electric Circuits

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