Question

Three conductors of resistances r,
r, and r
are connected in series, the equivalent
resistance R is given by the relation;
(a) R=r. +r, +r,
(b) R = r r+r,r: +rır,
1 1 1
(c) R= -+-+
ri 12 13
(d)
1 1 1
-+-+-
ri 12 13​

Answer 1

Answer:

I think option (a) is the correct answer