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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.

 5.
 20.
 0.05.
 10.

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Electric Circuits
Poorest conductor of electricity is

  Steel.
  Silver.
  Carbon.
  Aluminium.

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Electric Circuits
A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be –

 0.
 F εr.
 εr/F.
 F.

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Electric Circuits
Laplace transform analysis gives

 time domain response only.
 frequency domain response only.
 real response only.
 both (a) and (b).

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Electric Circuits
A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star?

None of these
 27∠30o Ω
 30∠30o Ω.
 3∠30o Ω.

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Electric Circuits
In the circuit shown below, what is the voltage across 5 Ω resistor?

 34.4 V.
 -28.4 V.
 None of them
 -27.4 V.

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