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Electric Circuits

Electric Circuits
A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA.

 250
 130
 400
 900

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Electric Circuits
If C be the capacitance, V be the potential difference and I be the current, then I / CV will have the unit of

 time.
 power.
 frequency.
 reactive power.

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Electric Circuits
The value of current I flowing in the 1 Ω resistor in the circuit shown in the given figure will be

 10 A.
 6 A.
 5 A.
 0 A.

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Electric Circuits
Active filter consists of

 capacitor.
 op-amp and capacitor.
 op-amp.
 inductor.

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Electric Circuits
If a capacitors of capacitance 100 μF is connected across a voltage source of 10 V, then what will be the energy stored in that capacitor?

 10 × 10 6 Joule.
 5 × 10 - 3 Joule.
 10 × 10 - 3 Joule.
 5 × 10 - 2 Joule.

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Electric Circuits
The current in a chemical cell is a movement of

  negative ions only.
  positive ions only.
 positive hole charges.
  positive and negative ions.

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MORE MCQ ON Electric Circuits

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