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Electric Circuits

Electric Circuits
Which of the following is the different one in terms of measurements?

 2L/R
 Q
 L/R
 RC

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 36.36.
 66.66.
 76.66.
 40.25.

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Electric Circuits
Electrics supply for electroplating should be

 DC voltage.
 any of above.
 low frequency ac voltage.
 low AC voltage.

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Electric Circuits
A capacitor passes a current of 12.6 mA when supplied with 20 V ac with a frequency of 1000 Hz. The capacitance will be

 0.1 μF.
 0.01 μF.
 1 μF.
 0.001 μF.

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Electric Circuits
Which of the following materials has highest electrical conductivity ?

  Aluminium.
  Copper.
  Silver.
  Steel.

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Electric Circuits
The number of electrons in the outer most orbits of carbon atom is

 6.
 4.
 7.
 3.

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MORE MCQ ON Electric Circuits

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