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Electric Circuits

Electric Circuits
The current in the resistor R shown in figure will be

 0.4 A.
 0.2 A.
 0.6 A.
 0.8 A.

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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.

 2.56
 1
 3.149
 0.5

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Electric Circuits
When water is added to sulphuric acid

  acid particles get separated.
  lot of heat is generated.
  colour of acid changes.
  water start boiling.

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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.

 10
 1
 2.5
 - 1.25

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Electric Circuits
In RLC series circuit, at resonance condition the value of current is

 Maximum
None of these
 Minimum
 Zero

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Electric Circuits
Three resistances of two ohms each are connected in star. In the equivalent delta representation each resistance will have a value of _______________ Ω.

 3.4.
 5.2.
 6.
 0.6.

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