Question

90.
A stretched wire potentiometer is used to
measure the internal resistance of a cell. If the
internal resistance is 212 while known external
resistance is 2012 then the ratio of balancing
length (s) without & with the external resistance
is
(1) 1.1
(2)
10
11
(4) 2.1
ds
(3) 1.2​

Answer 1

Answer:

4 2:1

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