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An ammeter has a resistance of 0.1 Omega...

An ammeter has a resistance of `0.1 Omega`. It can read upto 5 A. To convert this into voltmeter to read 100 V, the resistance ot be used is

A

`19.9 Omega` in series

B

`19.9 Omega` in parallel

C

`19.9 Omega` in series

D

`0.19 Omega` in parallel.

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