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Electric Circuits

Electric Circuits
For ideal tank circuit what is the value of dynamic impedance?

None of these
 0
 ∞
 Both

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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
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 in 4 parallel rows each row having 3 cells in series.
 all 12 in parallel.
 in 3 parallel rows each row having 4 cells in series.
 all 12 in series.

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Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 3V
 7V
 5V
 4V

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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?

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

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Electric Circuits
Aluminium is produced from bauxite by

  froth flotation.
  electrolytic process.
  rotating.
  oxidation.

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MORE MCQ ON Electric Circuits

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