Question

The least resistance obtained by using 2,4,1 and 100is

Answer 1

Answer:

25/44

Explanation:

r1=2

r2=4

r3=1

r4=100

least resistance =resistance in parallel

1/rp=1/r1+1/r2+1/r3+1/r4

    1/2+1/4+1/1+1/100

     50+25+100+1/100

rp=100/176⇒25/44