Asked by Bob
A soldering iron uses an electric current in a wire to heat the tip. A transformer with 100 turns on the secondary coil provides 54 W at an rms voltage of 26 V.
a) How many turns are in the primary coil?
b) What is the current in the primary coil?
a) How many turns are in the primary coil?
b) What is the current in the primary coil?
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