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Electric Circuits

Electric Circuits
In series RLC circuit what is the power factor just bellow the resonance frequency?

 Leading
 Unity
 Zero
 Lagging

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Electric Circuits
A capacitor that stores charge of 0.5 C at 10 V has a capacitance of _____________ farad.

 0.05.
 20.
 10.
 5.

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

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

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Electric Circuits
To obtain wide bandwidth, network is designed with which of the following?

 High Q factor
 Low Q factor
 Zero Q factor
 Unity Q factor

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Electric Circuits
The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

 4.
 0.25.
  2.
  0.5.

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Electric Circuits
A capacitor in a circuit became hot and ultimately exploded due to wrong connection, which type of capacitor it could be?

 Any of above.
 Paper capacitor.
 Ceramic capacitor.
 Electrolytic capacitor.

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