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Electric Circuits

Electric Circuits
Lowest current density is generally recommended for plating of

 chromium.
 cadmium.
 bronze.
 silver.

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Electric Circuits
Our household apparatus are connected in

 cascade.
 parallel.
 series.
 series and parallel combination.

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Electric Circuits
Silver coating is provided for

  bearing surfaces.
  protective purpose.
  all of above.
  decorative purpose.

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Electric Circuits
A reactance having an inductor of 0.15 H is connected in series with 10 Ω resistance. What will be the inductive reactance?

 48.15 Ω.
 1.5 Ω.
 47.1 Ω.
 None of these.

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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

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

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Electric Circuits
A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of

 each of them increases.
 each of them decreases.
 copper decreases and germanium increases.
 copper increases and germanium decreases.

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MORE MCQ ON Electric Circuits

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