NEET Physics Current Electricity Questions Solved

A voltmeter has a resistance of G ohms and range V volts. The value of resistance used in series to convert it into a voltmeter of range nV volts is 

(1) nG

(2) $(n-1)G$

(3) $\frac{G}{n}$ 

(4) $\frac{G}{(n-1)}$