Question

A wire of resistance R, is cut into five equal pieces. These five pieces of wire are then connected in parallel

If the resultant resistance of this combination be R2, then the ratio
R1/R2 is :


(a) 1/25
(b) 1/5
(C) 5
(d) 25
​

Answer 1

Answer:

R1/R2

=5/5+5+5+5+5

=5/25

=1/5