When a galvanometer is shunted by a resistance ' S ', its current capacity increases ' n ' times. If the same galvanometer is shunted by another resistance S ^ , its current capacity increases to n ^ . The value of n^ in terms of n, S and S

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When a galvanometer is shunted by a resistance ' S ', its current capacity increases ' n ' times. If the same galvanometer is shunted by another resistance S ^ , its current capacity increases to n ^ . The value of n^ in terms of n, S and S^ is

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Correct answer: D. S ( n -1)+ S ^ S ^

From the given data, we can write array ll & S= G n-1 and S^ = G n^ -1 & S S^ = n^ -1 n-1 & S_n-S=S^ n^ -S^ & S^ n^ =S n-S+S^ & n^ = S(n-1)+S^ S^ array

When a galvanometer is shunted by a resistance ' S ', its current capacity increases ' n ' times. If the same galvanometer is shunted by another resistance S ^ , its current capacity increases to n ^ . The value of n^ in terms of n, S and S^ is

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