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Electric Circuits

Electric Circuits
For the network shown in figure, the value of current through 8Ω resistor is

 1.2 A.
 1.5 A.
 2.4 A.
 4.8 A.

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Electric Circuits
Time constant of RC series circuit is

 2L/R
 RC
 L/R
 2RC

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Electric Circuits
At which of the following frequency voltage across capacitor has maximum value for series circuit ?

 Less than resonance frequency
 Equal to resonance frequency
 Zero frequency
 Greater than resonance frequency

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Electric Circuits
From the circuit diagram shown in question 1 find the thevnin voltage.

 3 V.
 5 V.
 1.5 V.
 15 V.

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Electric Circuits
Aluminium is produced from bauxite by

  rotating.
  electrolytic process.
  froth flotation.
  oxidation.

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Electric Circuits
Mica capacitor are characterised by all of following except

 low leakage reactance.
 accurate value.
 stable operation.
 low losses.

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MORE MCQ ON Electric Circuits

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