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Electric Circuits

Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 5V
 3V
 7V
 4V

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 3.149
 1
 0.5
 2.56

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Electric Circuits
To find the initial value of a function, the highest power of S in denominator should be ---------- the highest power of S in the numerator.

 equals to
 greater than
 both a and c
 less than

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Electric Circuits
The resistivity of the conductor depends on

 area of the conductor.
 length of the conductor.
 type of material.
 none of these.

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Electric Circuits
Electrolyte for silver plating is

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

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Electric Circuits
The maximum power that can be transferred to the load resistor R from the voltage source in the figure is

 1 W.
 7.5 W.
 9/8 W.
 6/8W.

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