Current in the primary coil of transformers used in rectifier circuits

Can anyone please clarify if the current in the primary coil of the transformer follows V(s)I(s)=V(p)I(p) when i am trying to figure out the peak, surge and average current through the primary coil of a transformer in a full wave rectifier.

Also, if it does, do I just use the peak voltage or the rms value?
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 It does and it does not . That depends on what are u trying to calculate. You can use this relationship to calculate the "peak" voltage / current and R.M.S value , depending on what you need. One more thing, as long as the average current or voltage is concerned it would mathematically be zero since the Current is a sine wave function . The mean value of such a current over one complete cycle would be zero .

 Tags current, rectifier, transformer