Question

Find the total resistance of the following:-

Answer 1

Answer:

d): 1/{1/10+1/40} +1/{1/20+1/30+1/60}

1/{1/8}+1/{(3+2+1)/60}

=8+10=18

When resistances are in series, then effective resistance is R1+R2

when in parallel 1/(1/R1+1/R2)