Questions
Two unknown resistances X and Y are connected in the left and right gaps of a meter bridge and the balancing point is obtained at from the left. When a resistance is connected in parallel to X the balance point is Calculate X and Y (in ohm)
detailed solution
Correct option is A
Resistance R = X Resistance S = Y Balancing length Balancing length Balancing condition for meter bridge ...(1)
When a 20 resistance is connected in parallel to X
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