Electric Circuits
The mass of a proton is

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

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Electric Circuits
What is referred as the average value in AC opearation?

 Average of all values of the phase sequences.
 Average of all values of the (+)ve and (-)ve half.
 Average of all values of an alternating quantity.
  Average of all values of an alternating quantity over a complete cycle.

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