Series resistance to convert a galvanometer into a voltmeter or extend its range

1. A.
   (C) and (E)
2. B.
   (C) and (D)
3. C.
   (A) and (C)
4. D.
   (A) and (B)

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1. A.
   $5975\Omega$
2. B.
   $20050\Omega$
3. C.
   $19950\Omega$
4. D.
   $19500\Omega$

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1. A.
   connect resistor of $\frac{x}{2}\Omega$, in series with voltmeter.
2. B.
   connect resistor of $\frac{x}{2}\Omega$, in parallel to voltmeter.
3. C.
   connect resistor of $x\Omega$, in series with voltmeter.
4. D.
   connect resistor of $2x\Omega$, in parallel to voltmeter.

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