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Electric Circuits

Electric Circuits
The form factor of sinusoidal alternating current is

 1.11.
 0.
 1.
 1.15.

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Electric Circuits
In RC series circuit R = 2Ω, C = 2μF and 10V dc is applied. Then what is the value of current?

 10A
 5A
 2A
 0A

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Electric Circuits
Electrolyte for silver plating is

  potassium nitrate solution.
  dilute sulphuric acid.
  any of above.
  double cyanide of silver and potassium solution.

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Electric Circuits
A external resistance R is connected to a cell of internal resistance r, then the current is maximum when

None of these
 R > r.
 R < r.
 R = r.

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

  Aluminium.
  Silver.
  Steel.
  Copper.

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t) u (t).
 f (t-T) u (t-T).
 f (t) u (t-T).
 f (t-T) u (t).

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