Q)
(chatquestion)...(iv) In potentiometer experiment, if l, is the
balancing length for e.m.f. of cell of internal
resistance rand L, is the balancing length for its
terminal potential difference when shunted with
resistance R then
R
(b) 4 = 2
R+r
(a) 4 = 2
%3D
%3D
R+r
R
R-r
(d) = 2
R
(c) 4 = ½
%3D
%3D
R-r
...
