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Electric Circuits

Electric Circuits
In series RLC circuit which of the following represents the Q factor ?

All of these
 XC/R
 XL/R
 VR/V

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

 50.5 V.
  31.9 V.
  39.1 V.
 45.5 V.

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Electric Circuits
If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to

  Q2 × d.
  Q / d2.
  Q2 / d.
  Q × d.

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Electric Circuits
The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V.

 200
 250
 450
 360

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Electric Circuits
Highest current density is usually recommended for

  cadmium plating.
  bronze plating.
  tin plating.
  chromium plating.

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Electric Circuits
In a series resonance circuit if bandwidth is 1 MHz and inductance is 1 mH, then what is the resistance value?

 1 MΩ
 1 KΩ
 1 Ω
 100 Ω

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