Two uniform wires and are of the same metal and have equal masses. The radius of wire is twice that of wire The total resistance of and when connected in parallel is 

a) 
when the resistance of wire is 
b) 
when the resistance of wire is 
c) 
when the resistance of wire is 
d) 
when the resistance of wire is 
Two uniform wires and are of the same metal and have equal masses. The radius of wire is twice that of wire The total resistance of and when connected in parallel is 

a) 
when the resistance of wire is 
b) 
when the resistance of wire is 
c) 
when the resistance of wire is 
d) 
when the resistance of wire is 
(a) When and are connected in parallel then equivalent resistance If then option (a) is correct 