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Electric Circuits

Electric Circuits
Under resonance condition the power factor of a system is

 any of the above
 unity
 leading
 lagging

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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
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 all in series.
 all in parallel.
 two in parallel and third in series with this combination.
 two in series and third in parallel across this combination.

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Electric Circuits
Kirchhoff’s voltage law is used for

 finding equivalent resistance.
 loop analysis.
 representing a current source.
 nodal analysis.

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Electric Circuits
In RLC parallel circuit circuit current through inductor is more than current through capacitor. Then what is the power factor of the circuit?

 zero
 unity
 leading
 lagging

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Electric Circuits
The internal resistance of lead acid cell is _______________ that of Edison cell.

 less than.
 none of above.
 more than.
 equal to.

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MORE MCQ ON Electric Circuits

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