: The resistance of a potentiometer wire is 8 and its length is 8 m. A high resistance box and a 2 volt battery are placed in series with it. What should be the value of the resistance in the box if it desired to have a potential drop of 1 microvolt per mm ?

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is 8
: The resistance of a potentiometer wire
and its length is 8 m. A high resistance
box and a 2 volt battery are placed in series
with it. What should be the value of the
resistance in the box if it desired to have a
potential drop of 1 microvolt per mm ?
Transcribed Image Text:is 8 : The resistance of a potentiometer wire and its length is 8 m. A high resistance box and a 2 volt battery are placed in series with it. What should be the value of the resistance in the box if it desired to have a potential drop of 1 microvolt per mm ?
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