an electric heater draws a current of 5 ampere when it is connected to 110 volt . What current of 5 ampere draw when it is connected to 220 volt.
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its ans is 10A
V=IR
R=110/5=22.........1
frm eq. 1
I =220/22=10
V=IR
R=110/5=22.........1
frm eq. 1
I =220/22=10
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