Shunt resistance and the factor by which a galvanometer's current range increases

1. A.
   $n+\frac{S}{s'}$
2. B.
   $\frac{S(n-1)-S'}{S'}$
3. C.
   $\frac{(n+1)S}{s'}$
4. D.
   $\frac{S(n-1)+S'}{S'}$

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1. A.
   $\frac{(n+s)}{s_1}$
2. B.
   $\frac{s_1(n-s)-s_1}{s_1}$
3. C.
   $\frac{(n+1)s}{s_1}$
4. D.
   $\frac{s(n-1)+s_1}{s_1}$

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1. A.
   $\dfrac{100}{999}\Omega$
2. B.
   $\dfrac{50}{999}\Omega$
3. C.
   $\dfrac{200}{999}\Omega$
4. D.
   $\dfrac{75}{999}\Omega$

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1. A.
   $\dfrac{n^1 + S}{S^1}$
2. B.
   $\dfrac{S(n^1 - 1) - S^1}{S}$
3. C.
   $\dfrac{(n^1 + 1)S^1}{S}$
4. D.
   $\dfrac{S + S^1(n^1 - 1)}{S}$

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1. A.
   $\dfrac{R}{(n - 1)}$
2. B.
   $\dfrac{R}{(n + 1)}$
3. C.
   $\dfrac{R}{n}$
4. D.
   $Rn$

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