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Electric Circuits

Electric Circuits
Which of the following has least resistivity?

 Lead.
 Copper.
 Mercury.
 Aluminium.

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Electric Circuits
Which of the following has positive temperature coefficient ?

  Gold.
  Germanium.
  Rubber.
  Paper.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 5000 ohms, 100W.
 10 ohm, 50 W.
 10000 ohms, 10 W.
 1000000 ohms, 1 W.

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Electric Circuits
For Norton’s equivalent circuit

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

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Electric Circuits
Super mesh analysis is used in case of

 ideal voltage source is connected between two non reference nodes.
 both.
 either 1 or 2.
 current source branch is common for two meshes.

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Electric Circuits
Find the current through 5 Ohm resistor from A to B.

 -1A.
 1A.
 2A.
 -2A.

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MORE MCQ ON Electric Circuits

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