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Electric Circuits

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

 45°
 - 90°
 90°
 0°

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Electric Circuits
Which of following capacitors has relatively shorter shelf life?

 Electrolytic.
 Paper.
 Glass.
 both (B) and (C) above.

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Electric Circuits
Which material has extremely large resistance?

None of these
 Conductor
 Insulator
 Semiconductor

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Electric Circuits
In the circuit shown below if I = 2 A then find V?

 3 V.
 2 V.
 1 V.
 5 V.

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-27 Coulomb
 1.6022 × 10-19 Coulomb
 1.6022 × 10-7 Coulomb
 1.6022 × 10-8 Coulomb

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Electric Circuits
A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star?

 50 % of the original load.
 33.33 % of the original load.
 25 % of the original load.
 66.66 % of the original load.

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MORE MCQ ON Electric Circuits

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