A voltmeter can measure upto 25 volt and its resistance is `1000 Omega`. The resistance required to add with voltmeter to measure upto 250 volt will be-
A
`90 Omega`
B
`900 Omega`
C
`9000 Omega`
D
`90000 Omega`
Text Solution
Verified by Experts
The correct Answer is:
C
`R=G(n-1)=1000(10-1)=9000Omega`
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