Electric Circuits
Electrics supply for electroplating should be

 low frequency ac voltage.
 any of above.
 DC voltage.
 low AC voltage.

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

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