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Electric Circuits

Electric Circuits
For Norton’s equivalent circuit

 Isc = Voc / Req.
 Voc = Req /Isc.
 Isc = Voc Req.
 Voc = Isc / Req.

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Electric Circuits
Unit step function is first derivative of

 ramp function.
 gate function.
 parabolic function.
 impulse function.

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Electric Circuits
When water is added to sulphuric acid

  colour of acid changes.
  lot of heat is generated.
  water start boiling.
  acid particles get separated.

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Electric Circuits
A dependent source can be

 a voltage source.
 both a voltage or a current source.
 neither a voltage nor a current source.
 a current source.

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Electric Circuits
When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will

  none of these.
  decrease.
  remain constant.
  increase.

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Electric Circuits
What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?

 19.
 39.
 38.
 20.

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MORE MCQ ON Electric Circuits

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