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Electric Circuits

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

 10.
 20.
 5.
 0.05.

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Electric Circuits
What is the reactive power in AC operation?

 Real power × cosθ.
 Apparent power × sinθ.
 Apparent power × cosθ.
 Real power × sinθ.

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Electric Circuits
Select the wave that has the least value of form factor.

 Triangular wave.
 Rectangular wave.
 Sine wave.
 Square wave.

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

None of these
 negative co-efficient.
 both 1 and 2.
 positive co-efficient.

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Electric Circuits
In delta connected circuit when one resistor is open, then power will be

 reduced by the factor of 3.
 0.
  remain unchanged.
 increased by factor of 3.

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Electric Circuits
Electric flux is proportional to

 rate of change of current.
 rate of change of potential difference.
 potential difference between electrodes.
 resistivity of medium.

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