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Electric Circuits

Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 1 W.
 5 W.
  64 W.
 10 W.

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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

 R < r.
 R > r.
 R = r.
None of these

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Electric Circuits
Kirchhoffs laws are valid for

  both linear and non-linear circuits.
  passive time invariant circuits.
  linear circuit only.
  non-linear circuits only.

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

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

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Electric Circuits
In ac RC series circuit total voltage is 10V and voltage across resistor is 6V, then what is voltage across capacitor?

 8V
 4V
 10V
 16V

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Electric Circuits
A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C?

 10.54 µF.
 4.78 µF.
 8.51 µF.
 1.8 µF.

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MORE MCQ ON Electric Circuits

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