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Electric Circuits

Electric Circuits
Condition of reciprocity in Y-parameter representation is

 Y11 = Y22.
 Y12 = Y22.
 Y12 = Y21.
 Y11 = Y12.

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Electric Circuits
Electric field intensity ( E ) at any point in an electric field is equal to

 ( potential gradient )1/3.
 ( potential gradient )2.
 ( potential gradient )1/2.
 potential gradient.

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Electric Circuits
Current efficiency in electroplating is usually

  70 to 80 %.
  99 %.
  50 to 60 %.
  90 to 98 %.

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-19 Coulomb
 1.6022 × 10-8 Coulomb
 1.6022 × 10-27 Coulomb
 1.6022 × 10-7 Coulomb

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Electric Circuits
The greater the internal resistance of a cell

 the greater the emf.
 the lesser the terminal voltage.
 the lesser the emf.
 the greater the terminal voltage.

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Electric Circuits
In above question, if circuit efficiency is 90 %. What will be output power ?

  30 kW.
  35.6 kW.
  37.3 kW.
  40 kW.

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