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Electric Circuits

Electric Circuits
Which quantity consists of a unit 1KWh ?

 Power
 Time
 Energy
 Charge

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Electric Circuits
One atomic mass unit ( amu ) is approximately equal to

 1.6 × 10-13 Kg.
  1.6 × 10-27 Kg.
 1.6 × 10-19 Kg.
 1.6 × 10-24 Kg.

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Electric Circuits
In which of the circuits power factor can be zero?

 inductive.
 capacitive.
 resistive.
 both ‘a’ and ‘b’

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Electric Circuits
Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as

  (Zsc . Zoc)½
 Zsc/Zoc
 Zsc-Zoc
 Zsc+Zoc

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Electric Circuits
The electrical conductivity of metal is typically of the order of (in ohm - m)

 105.
 10 - 4.
 10 - 6.
 107.

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Electric Circuits
Mesh analysis is applicable for

 planar networks.
 both planar and non planar networks.
 non planar networks.
 neither planar and non planar networks..

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MORE MCQ ON Electric Circuits

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