Series resistance to convert a galvanometer into a voltmeter, or extend a voltmeter's range

1. A.
   $(n-1)G$
2. B.
   $G/n$
3. C.
   $nG$
4. D.
   $\frac{G}{n-1}$

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1. A.
   $1240\,\Omega$ in series
2. B.
   $2480\,\Omega$ in series
3. C.
   $2480\,\Omega$ in parallel
4. D.
   $20\,\Omega$ in parallel

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1. A.
   $G\!\left(\dfrac{V}{V_g}-1\right)$
2. B.
   $\dfrac{G(V+V_g)}{V}$
3. C.
   $\dfrac{G(V-V_g)}{V}$
4. D.
   $\dfrac{G}{V_g}$

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1. A.
   $n$
2. B.
   $\frac{n+1}{n}$
3. C.
   $n+1$
4. D.
   $n+\frac{3}{2}$

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1. A.
   $9995\Omega$ in series.
2. B.
   $4995\Omega$ in series.
3. C.
   $9.5 \times 10^{- 3}\Omega$ in parallel.
4. D.
   $4.95 \times 10^{- 3}\Omega$ in parallel.

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1. A.
   $125\Omega$ resistance in parallel
2. B.
   $125\Omega$ resistance in series
3. C.
   $25\Omega$ resistance in parallel
4. D.
   $25\Omega$ resistance in series

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1. A.
   $GV_g$
2. B.
   $G\left(\dfrac{V - V_g}{V}\right)$
3. C.
   $G\left(\dfrac{V}{V_g} - 1\right)$
4. D.
   $G\left(\dfrac{V + V_g}{V}\right)$

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