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An ammeter reads upto 1 ampere. Its inte...

An ammeter reads upto 1 ampere. Its internal resistance is 0.81 ohm. To increase the range to 10 A the value of the required shunt is

A

`0.03Omega`

B

`0.3Omega`

C

`0.9Omega`

D

`0.09Omega`

Text Solution

Verified by Experts

The correct Answer is:
D
`(i_(g))/(i)=(S)/(G+S)`
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