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Electric Circuits

Electric Circuits
Capacitor does not allow the sudden change of

None of these
 voltage
 current
 power

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Electric Circuits
Energy efficiency during electroplating is usually in the range

 50 to 80%.
 90 to 99%.
 85 to 90%.
 80 to 85%.

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Electric Circuits
In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem

 Compensation theorem
 Norton's theorem
 Reciprocity theorem
 Thevinin's theorem

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Electric Circuits
Disadvantages of constant k type filter

  none of these.
  attenuation does not increase rapidly beyond cut off frequency.
  characteristic impedance unchanged in pass band.
  both A and B.

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Electric Circuits
Advantage of active filter is

  do not offer gain.
  easy to tune.
  both of above.
  derive high impedance load.

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10 N.
 10000 N.
 100 N.
 1000 N.

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MORE MCQ ON Electric Circuits

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