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Electric Circuits

Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is

 5.08 A.
 10.16 A.
 1.27 A.
 2.54 A.

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Electric Circuits
Which of the following represents the resonance frequency (ω0) with respect to lower cutoff frequency (ω1) and higher cutoff frequency (ω2)

 ω1 + ω2
 ω1 / ω2
 ω1 - ω2
 √(ω1² + ω2²)

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Electric Circuits
Which metal is deposited for electro forming?

  Nickel.
  Iron.
  Silver.
  Chromium.

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Electric Circuits
In series R, L circuit power factor can be defined as

 R/Z
 Vr/V
All of these
 P/S

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Electric Circuits
Which of the following quantities remain the same in all parts of a parallel circuit

 current.
 power.
 resistance.
 voltage.

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Electric Circuits
For cadium plating electrolyte used is

 cadmium hexa metaphosphate.
 any of above.
 cadmium sulphate and sulphuric acid.
 sodium cyanide, cadmium and caustic soda.

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