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Electric Circuits

Electric Circuits
Which of the following is the correct relation?

 AD-BC = 1.
 AB-CD = 1 .
 all of these.
 AC-BD = 1.

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Electric Circuits
Power factor can be defined as

 sine of voltage and current.
 both option B and C.
 cosine of angle between voltage and current.
 ratio of resistance versus impedance.

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Electric Circuits
The frequency of EMF generated by a generator depends upon its

 number of poles.
 both speed and number of poles.
 speed.
 nature of supply.

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Electric Circuits
In the network shown, what is the current I in the direction shown?

 5 / 6 A.
 4 A.
 1 / 3 A.
 0 A.

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Electric Circuits
R1 = 36 Ω and R2 = 75 Ω, each having tolerance of ±5% are connected in series. The value of resultant resistance is

  111 ± 0 Ω.
  111 ± 5.55 Ω.
 111 ± 7.23 Ω.
 111 ± 2.77 Ω.

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Electric Circuits
Which of following capacitors preferred for high frequency circuits?

 Glass capacitor.
 Air capacitor.
 Mica capacitor.
 Electrolytic capacitor.

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MORE MCQ ON Electric Circuits

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