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Electric Circuits

Electric Circuits
In a capacitor the electric charge is stored in

 none of above.
 metal plates.
 both of (A) and (B).
 dielectric.

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Electric Circuits
The value of E within the field due to a point charge can be found with help of

 Lenzs law.
 Coulombs law.
 Kirchhoffs law.
 Faradays law.

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Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 5000 ohms.
 500 ohms.
 50 ohms.
 1000 ohms.

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

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

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Electric Circuits
Find the total power absorbed by the resistor in the given circuit.

  6 W.
 12 W.
 30 W.
 24 W.

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Electric Circuits
When AC flows through a pure capacitance then the current

 lags the emf by 90o.
 leads the emf by 90o.
 is in phase with emf.
 leads the emf by - 90o.

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