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Electric Circuits

Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 125 pF.
 500 pF.
 250 pF.
 1000 pF.

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Electric Circuits
Zinc cadmium and lead coating is generally provided for

  decoration.
  all of above.
  corrosion.
  electrical contacts.

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Electric Circuits
Three element having conductance G1, G2 and G3 are connected in parallel. Their combined conductance will be

 G1 + G2 + G3.
 (G1 + G2 + G3) - 1.
 1 / G1 + 1 / G2 + 1 / G3.
 (1 / G1 + 1 / G2 + 1 / G3) - 1.

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Electric Circuits
Internal heating of a capacitor is usually attributed to

 leakage resistance.
 electron movement.
 dielectric charge.
 plate vibration.

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Electric Circuits
In RLC parallel circuit if current through capacitor and inductor is equal. Then What is the power factor?

 zero
 unity
 lagging
 leading

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 5.2.
 3.4.
 6.
 0.6.

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