Two unknown resistances X and Y are connected to left and right gaps of a meter-bridge and the balancing point is obtained at 80 cm from left. When a 
resistance is connected in parallel to X, the balancing point is 50 cm from left, the values of X and Y, respectively, are
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
and 
and 
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