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Electric Circuits

Electric Circuits
Current magnification will occur in which of the following case?

 Series resonance
 Parallel resonance
None of these
 Both

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Electric Circuits
In what connection we get neutral?

  Delta.
  Star.
  Mesh.
  Both A and B.

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Electric Circuits
When a lossy capacitor with a dielectric of permittivity ε and conductivity σ operates at a frequency ω the loss tangent for the capacitor is given by

 ω σ/ε.
 ω ε/σ.
  σ/ω ε.
 σ ω ε.

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Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 replaced by a series resistance.
 replaced by a shunt resistance.
 short circuited.
 open circuited.

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Electric Circuits
In a capacitor the electric charge is stored in

 dielectric.
 both of (A) and (B).
 metal plates.
 none of above.

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Electric Circuits
Active materials of a lead acid cell are

 dilute H2SO4.
 all of above.
 spongy lead.
 lead peroxide.

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MORE MCQ ON Electric Circuits

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