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Electric Circuits

Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Ceramic.
 Mica.
 Paper.
 Electrolytic.

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Electric Circuits
When water is added to sulphuric acid

  acid particles get separated.
  colour of acid changes.
  water start boiling.
  lot of heat is generated.

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Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 current.
 voltage.
 resistance.
 power.

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Electric Circuits
In the given figure the value of the source voltage is

 44 V.
 30 V.
 12 V.
 24 V.

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Electric Circuits
Which of following is invariably seen in an electroplating plant?

  Barrel.
  Carbon brushes.
  Distilled water.
  Rectifier.

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Electric Circuits
A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest?

 1000 Hz.
 10 Hz.
 1 Hz.
 100 Hz.

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