an electric iron has a rating 750 w and 220v calculate
a) current passing through it
b) resistance when in use
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Answered by
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a.) power=current ×potential difference
P=V.I
750=220×I
I=750/220
I=75/22ampere
b.) P=V²/R
R=V²/P
R=(220×220)/750 ohm
P=V.I
750=220×I
I=750/220
I=75/22ampere
b.) P=V²/R
R=V²/P
R=(220×220)/750 ohm
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