Question

What is the minimum possible values of resistance which is obtain by using resistor of 2Ω, 4Ω and

12Ω.​

Answer 1

1/R=1/R1+1/R2+1/R3

1/R=1/2+1/4+1/12

=6+3+1/12

=11/12

R=12/11

R=1.1