A voltmeter has a resistance of G ohms and range V volts. The value of resistance required in series to convert it into voltmeter of range nV is ___________.
A. nG
B. $$\frac{{\text{G}}}{{\text{n}}}$$
C. $$\frac{{\text{G}}}{{{\text{n}} - 1}}$$
D. (n - 1)G
Answer: Option D
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