Question

obtain the equivalent resistance in case of series and parallel combinatin of resistance​

Answer 1

Answer:

Req. for parallel---- 1/r1+1/r2+ 1/r3

Req for series = r1+r2 + r3

Answer 2

Explanation:

R eq=r1+r2+r3(In combination series)

1/R eq=1/r1+1/r2+1/R3(in parallel series)