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Electric Circuits

Electric Circuits
A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be

 M / 2.
 2 M.
 M / L.
 M.

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

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Electric Circuits
Our household apparatus are connected in

 cascade.
 series.
 parallel.
 series and parallel combination.

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Electric Circuits
What is form factor?

 Instantaneous value / Average value.
 Average value / R.M.S. value.
  R.M.S. value / Average value.
 Average value / Peak value.

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

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Electric Circuits
Which of the following Y-parameters is dimensionless?

 Y11.
 none of these.
 Y12.
 Y22.

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MORE MCQ ON Electric Circuits

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