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Electric Circuits

Electric Circuits
For symmetrical wave form average value of one full cycle is

 1.11
 2.22
 1
 0

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Electric Circuits
Which part of magnetic path requires largest mmf?

 Inductance.
 Coil.
 Core.
 Air gap.

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Electric Circuits
The mass of a neutron of atom is

 1.609 × 10 - 31 Kg.
 1.602 × 10 - 19 Kg.
 1.672 × 10 - 26 Kg.
 1.675 × 10 - 27 Kg.

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Electric Circuits
Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be

 1 µF
 5 µF
 10 µF
 25 µF

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Electric Circuits
The hot resistance of a tungsten lamp is about 10 times the cold resistance. Accordingly, cold resistance of a 100 W, 200 V lamp will be

 800 Ω.
  40 Ω.
 4 Ω.
 400 Ω.

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Electric Circuits
An electrical circuit with 10 branches and 7 nodes will have

  4 loop equations.
  10 loop equations.
 7 loop equations.
 3 loop equations.

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MORE MCQ ON Electric Circuits

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