Question

What is the effective ressistencefor four resistors in the circuit shown below

Answer 1

Answer:  it can be B as well as C(round off)

Rs=3+12=15Ω

Rs=6+12=18Ω

1/Rp=1/15+1/18

      =6+5/90

       =11/90

Rp=90/11          (reciprocal)

Rp=8.1818Ω

Explanation: