Electric Circuits
The internal resistance of a practical voltage source is considered to be connected in

 parallel.
None of these
 series.
 either parallel or series.

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

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

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