An electric iron draws current of 2 ampere when connected to 220 volts. Find the resistance of a coil.
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I=2 A, V=220 volts then R=?
From the law of Oam
V=I.R
220=2R
R=110 Oam
From the law of Oam
V=I.R
220=2R
R=110 Oam
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