Length ratio of nichrome wires
The above graph shows the electric currents flowing into two nichrome wires
A
and
B
as a function of the electric potential, i.e. the voltage. If the thickness of
A
and
B
are the same, then what is the ratio of the lengths of
A
and
B
?
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1 solution
R=V/I Ra=5/1=5 Rb=6/0.4=15 Ra:Rb=1:3