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Electric Circuits

Electric Circuits
The norton equivalent of the circuit shown in the figure is

 1A, 1.5 Ohm
 0.75A, 5/6 Ohm
 1A, 5/6 Ohm
 0.75 A, 1.5 Ohm

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Electric Circuits
If a large resistance is connected in parallel to a small resistance then net resistance will be

 smaller than the small resistance.
 greater than the large resistance.
None of these
 smaller than the greater but larger than the smaller resistance.

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Electric Circuits
The Laplace Transform of a shifted unit step f (t) = U (t-a) is

 e-as.
 (e-as)/s.
 se-as.
 s(1-e-as).

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Electric Circuits
Current efficiency in electroplating is usually

  99 %.
  50 to 60 %.
  90 to 98 %.
  70 to 80 %.

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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.

 6.
 5.2.
 3.4.
 0.6.

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Electric Circuits
Three resistors each R Ohm is connected to form a triangle. The equivalent resistance across any terminals is

 R/2.
 R.
 3R/2.
 2R/3.

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MORE MCQ ON Electric Circuits

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