Question

find the total resistance through AB. Explain step by step.
Answer is 4/3 ohm but I don't know how.

Answer 1

I have taken 1,3,6 as the same node because there is no resistor between them.
Similarly, 4,2,7 can be taken as the same node.
Now it is a simple circuit and after solving, u will get ur ans as 4/3

Answer 2

Explanation:

Lime reacts readily with water to produce slaked lime, which is the chemical compound calcium hydroxide.