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Electric Circuits

Electric Circuits
For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is

 250 pF.
 125 pF.
 1000 pF.
 500 pF.

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Electric Circuits
Three identical inductors are connected in delta with a 220 V, 50 Hz, 3 - φ, supply. If the phase current is 24 A, then what is the value of each of the inductance?

 None of these.
 0.058 H.
 0.029.
 0.049 H.

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Electric Circuits
What are the points to be mentioned in specifying main switches?

  Both A and B.
  Voltage grade.
  Current rating.
  None of these.

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Electric Circuits
The instantaneous values of line current into a delta connected load in any two lines are + 2.5 amps and - 1.25 amps the current in the third line at the instant is ___________ A.

 - 1.25
 1
 10
 2.5

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Electric Circuits
The fixed circular paths around the nucleus are called

 mesons.
 nucleus.
 orbits.
 orbitals.

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Electric Circuits
The Norton equivalent of a network is given as IN = 4A and RN = 2 Ohm. When this circuit is connected across a 2 Ohm load, the current through the load is

 1 A.
 4 A.
 2 A.
 0 A.

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