Question
Physics Question on Semiconductor electronics: materials, devices and simple circuits
To reduce the range of voltmeter, its resistance need to be reduced. A voltmeter has resistance Ro and range V. Which of the following resistances when connected in parallel will convert it into a voltmeter of range nV?
A
nRo
B
(n+1)Ro
C
(n−1)Ro
D
None of these
Answer
None of these
Explanation
Solution
The correct option is (D): None of these.