Two resistances are joined in parallel whose resultant is 
One of the resistance wire is broken and the effective resistance becomes 
. Then the resistance in ohm of the wire that got broken was
A
B
2
C
D
3
Text Solution
Verified by ExpertsThe correct answer is:
C
If resistances are 
and 
then 
….(i)
Suppose 
is broken then 
…(ii)
On solving equations (i) and (ii) we get 
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