Question

A resistance of 30 ohm and 60 ohm are connected in parallel with a resistance of 20 ohm in series find the total resistance

Answer 1

Answer:

Explanation: the answer is given below

Answer 2

Answer:

10 ohm

let first resistance be 30 Ohm

second resistance 60 Ohm

third resistance 20 Ohm

connected in parallel

so

1/R=1/r1 +1/r2 +1/R3

1/R=1/30+1/20+1/60

L.C.M=60

1/R=2+3+1/60

1/R=6/60

=1/10

so,

R=10