Question

The series combination of two 10 ohm resistance is connected in parallel combination with a 20 ohm resistance. Determine the equivalent resistance of the final combination ​

Answer 1

Explanation:

series combination of 2 10ohm is

10+10 = 20

now it is connected in parallel with 20ohm ,

1/20 + 1/20 = 1/R

2/20 = 1/R

hence R = 10ohm

Answer 2

Answer:

The total resistance is 10 ohm

two 10 ohm resistors means 20 ohm.

then there is another resistor of 20 ohm

When we calculate we get 10 ohm