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Electric Circuits

Electric Circuits
The unit of electric displacement vector is

 C/m.
 C - m.
 Ampere-m.
 C/m2.

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Electric Circuits
Electrics supply for electroplating should be

 DC voltage.
 low frequency ac voltage.
 low AC voltage.
 any of above.

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Electric Circuits
Advantage of active filter is

  both of above.
  easy to tune.
  do not offer gain.
  derive high impedance load.

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Electric Circuits
Third pin of a 3 pin plug is thicker and longer

 for designing purpose.
 for protection purpose.
 all pins are of same size.
 none of these.

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Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 30 mA.
 3 A.
 300 mA.
 100 mA.

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Electric Circuits
Active element of electrical circuit is

 none of above.
 current source.
 voltage source.
 both of them.

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MORE MCQ ON Electric Circuits

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