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Electric Circuits

Electric Circuits
Aluminium is produced from bauxite by

  electrolytic process.
  oxidation.
  rotating.
  froth flotation.

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Electric Circuits
For a band pass filter, cut off frequency of the low pass filter should be ___ of the high pass filter?

All of these
 equals to
 less than
 greater than

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Electric Circuits
In foster 1 form 1st element is

 inductor.
 capacitor.
 both.
 none.

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Electric Circuits
If a pure inductor is connected across the ac source, the average power taken by the inductor is

 a few watt.
 zero watt.
 100 watt.
 maximum power.

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Electric Circuits
What is mean by flow of electrons?

 Electric current.
 Insulator.
 Voltage.
 Semiconductor.

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Electric Circuits
The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is

 22.4A.
 17.3A .
 30A.
 14.14A.

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