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Electric Circuits

Electric Circuits
By which of the following elements transients will not occur?

 C
 L
 R
All of these

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

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Electric Circuits
Which of following is not a vector?

 Electric field.
 Angular momentum.
 Linear momentum.
 Electric potential.

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Electric Circuits
Four resistances 80 Ohm, 50 Ohm, 25 Ohm and R are connected in parallel. Current through 25 Ohm resistance is 4A. Total current of supply is 10A. The value of R will be

 40.25.
 66.66.
 36.36.
 76.66.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 5250 rpm in forward direction.
 5250 rpm in reverse direction.
 107.14 rpm in reverse direction.
 107.14 rpm in forward direction.

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Electric Circuits
The delta equation of given star connected impedance ZQR is equal to

  (10 + j30) Ω.
 40 Ω.
 (5 + j10 / 3) Ω.
 (20 + j10) Ω.

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