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There are three voltmeters of the same r...

There are three voltmeters of the same range but of resistance `10000 Omega, 8000 Omega` and `4000 Omega` respectively. The best voltmeter among these is the one whose resistance is

A

`10000Omega`

B

`8000Omega`

C

`4000Omega`

D

all are equally good

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