An electric heater works by passing a current of 100 A through a coiled metal wire, making it red hot. If the resistance of the wire is 1.1 ohms, what voltage must be applied to it?

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Answer 1 · 2017-12-14T21:37:19

The voltage would be 110 V

Ohm's Law says that

#V = I*R#

Plugging the data into Ohm's Law

#V = 100 A*1.1 Omega = 110 V#

I hope this helps,
Steve