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Electric Circuits

Electric Circuits
Which law(s) find application in electrolysis?

 Gausss law.
 Ohms law.
 Coulombs law.
 Faradays law.

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Electric Circuits
In the circuit shown in figure if I1 = 1.5 A, then I2 will be

 1 A.
 2 A.
 0.5 A.
 1.5 A.

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Electric Circuits
Current efficiency in electroplating is usually

  90 to 98 %.
  70 to 80 %.
  99 %.
  50 to 60 %.

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Electric Circuits
Active element of electrical circuit is

 none of above.
 voltage source.
 current source.
 both of them.

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Electric Circuits
Two sinusoidal quantities are said to be in phase quadrature, when their phase difference is

 45o.
 0o.
 30o.
 90o.

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Electric Circuits
A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star?

 27∠30o Ω
 30∠30o Ω.
 3∠30o Ω.
None of these

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