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Ammeter

A milli voltm...

Question

A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be

A

1

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B

0.05

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C

0.001

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D

0.01

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Solution

The correct option is C $0.001$
$S = \frac{V_{g}}{I - I_{g}}$

$Neglect I_{g}$

$∴ S = \frac{V_{g}}{I} = 0.001 Ω$

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