A 12 cm wire is given a shape of a right-angled triangle 
having sides 3 cm, 4 cm and 5 cm as shown in the figure. The resistance between two ends 
of the respective sides are measured one by one by a multimeter. The resistances will be in the ratio
Text Solution
Verified by ExpertsB
Let 
and 
be resistivity and area of cross‐section of the wire respectively
The wire is bent in the form of right triangle as shown in figure.
Resistance of side 
is 
Resistance of side 
is 
Resistance of side 
is 
The resistance between the ends 
and 
is 
The resistance between the ends 
and 
is
The resistance between the ends 
and 
is
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