Electric Circuits
Electrics supply for electroplating should be

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

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Electric Circuits
What is called the instantaneous value of an alternating current?

 The value of alternating quantity at any instant.
 The value of peak quantity at any instant.
 The value of peak current at any instant.
 The value of alternating frequency at any instant.

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