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Q no 66?...............................................................................................

Utkarsh Ahuja , 7 Years ago
Grade 12
anser 1 Answers
Adarsh
Dear Utkarsh ,
In potentiometer , 
let r be its internal resistance …
L1/r1 = L2/r2  => 52/r = 40 x (5 + r)/5r  => r = 6/4 = 1.5 
 
Thanks and Regards 
Adarsh
Last Activity: 7 Years ago
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