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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

 Ampere turn
 Weber
  Tesla
 Newton

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Electric Circuits
Final value theorem is not applicable for which of the following?

 stable systems
 Both 2 and 3
 unstable systems
 marginally stable systems

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Electric Circuits
Which of following materials has the least resistivity ?

  Lead.
  Mercury.
  Copper.
  Zinc.

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Electric Circuits
A balanced delta connected load has an impedance of 9∠30o Ω per phase. What is the impedance per phase of its equivalent star?

 27∠30o Ω
 3∠30o Ω.
None of these
 30∠30o Ω.

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 90°
 - 90°
 45°
 0°

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Electric Circuits
Which of the following ABCD parameters is unit less?

 B and C.
 A and D.
 A and B.
 A and C.

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MORE MCQ ON Electric Circuits

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