Two wires made of the same material have lengths in the ratio 
and radii in the ratio 
. If the same potential difference is applied across the ends of the wires, the ratio of the electric currents flowing through them is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Ratio of length, 
Ratio of radii, 
Resistance of wire is given as, 
Resistance of 
wire, 
Resistance of II 
wire, 
……… .(ii)
Dividing (i) and (ii):
Using ohm's law, 
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