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Electric Circuits

Electric Circuits
Time constant of RC series circuit is

 RC
 L/R
 2L/R
 2RC

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Electric Circuits
Internal resistance of ideal voltage source is

 100 ohms
 finite
 zero
 infinite

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Electric Circuits
The current flowing between electrodes inside a lead acid battery is

 ionization current.
 polarization current.
 electron current.
 proton current.

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Electric Circuits
Form factor is equal to Peak factor in case of

 square wave.
All of these
 triangle wave.
 saw tooth wave.

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Electric Circuits
A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the current in the circuit?

 0.1578 A.
 0.2547 A.
 0.1465 A.
 0.4583 A.

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Electric Circuits
Aluminium is produced from bauxite by

  rotating.
  froth flotation.
  oxidation.
  electrolytic process.

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MORE MCQ ON Electric Circuits

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