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<DIV><FONT face=Arial size=2>Hi</FONT></DIV>
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<DIV><FONT face=Arial size=2>When looking at power lost as heat in transmission
lines, can someone please explain why we use P=i^2R but cannot use P=V^2/R?
Aren't they equivalent expressions?</FONT></DIV>
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<DIV><FONT face=Arial size=2>thanks</FONT></DIV>
<DIV><FONT face=Arial size=2>_________________________________________<BR>John
Watson<BR>St Bede's College<BR>Christchurch</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>E-Mail: <A
href="mailto:jwatson@stbedes.school.nz">jwatson@stbedes.school.nz</A></FONT></DIV></BODY></HTML>