A voltmeter has a resistance of 
and range 
volt. The value of resistance used in series to convert it into voltmeter of range nV volt is
A
nG
B
C
D
. 
Text Solution
Verified by ExpertsThe correct answer is:
B
We know that resistance across voltmeter
The voltmeter gives full scale deflection for potential difference of V volt. Its resistance is G.
Hence, 
, given that 
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