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Electric Circuits

Electric Circuits
From the given figure find the R3

 25 ohm
 25 kilo ohm
 25 mega ohm
 25 mili ohm

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Electric Circuits
An electrical motor has rating of 10 MVA at 0.8 lag, represented as series RL circuit at a 50 MVA base. Find the impedance value?

 (3 + j4) pu
 (4 + j2 ) pu
 (2 + j4) pu
 (4 + j3) pu

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Electric Circuits
In a delta network each element has value R. The value of each element in equivalent star network will be

 R / 6.
 R / 2.
 R / 4.
  R / 3.

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Electric Circuits
A delta connection contains three equal impedance of 60 Ω. The impedance of the equivalent star connection for each star load will be

 40 Ω.
 20 Ω.
 30 Ω.
 15 Ω.

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Electric Circuits
A wire of 0.14 mm diameter and specific resistance 9.6 Ω - cm is 440 cm long. The resistance of the wire will be

 27.4 Ω.
 9.6 Ω.
 13.7 Ω.
 11.3 Ω.

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Electric Circuits
Select the wave that has the least value of form factor.

 Triangular wave.
 Sine wave.
 Square wave.
 Rectangular wave.

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MORE MCQ ON Electric Circuits

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