Question

In the figure shown R1 =10 ohm, R2 = 30 ohms, R3=10 ohm, R4=20 ohm, R5=10 ohm, R6=20 ohm.

Answer 1

Answer:

resistors in parallel=

1/R1+1/R3=1/10+1/10=2/10=1/5

1/Rs=1/5

Rs=5ohm

Resistors in series=Rs+R2=5+30=35 ohm

resistors in parallel=1/35+1/20=55/700=