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Finding current of xfmr w/o meter



Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Fucian-at-aol-dot-com>

Hi, 

I have a 30volt power xfmr and no way to measure current. Could I connect say 
a 2.2 ohm resistor and measure voltage off the xfmr and then divide voltage 
by 2.2 ohms?

Matt