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Electric Circuits

Electric Circuits
Which metal is deposited for electro forming?

  Silver.
  Chromium.
  Nickel.
  Iron.

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Electric Circuits
For ideal tank circuit what is the value of dynamic impedance?

None of these
 Both
 0
 ∞

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

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 1
 0.5
 2.56
 3.149

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

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

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Electric Circuits
For finding the Z11 parameter at the input port of a two port network

 input port is open circuited.
 input port is short circuited.
 output port is open circuited.
 output port is short circuited.

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MORE MCQ ON Electric Circuits

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