Question

plz answer this
if the total resistance of the given circuit is 20 ohm find the resistance of the the resistor x.​

Answer 1

Kindly check the attachment:)

Using formula :-

R' = R1+R2+R3.....(series combination of resistance)

Then using

1/R'=1/R1+1/R2+1/R3.....(parallel combination of resistance)

Final answer:-

9 ohms

Answer 2

Answer:15ohm

Explanation: The resistance are in series first and than parallel... U see attachment u will understand quickly