Find the equivalent resistance between A&B
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Answer:
7.5R
Explanation:
The answer is very easy
We can see that 3/6=12/24
So it is a wheat stone bridge
So we can remove 2R resistor
now 3R and 6R are in parallel
So effective=3R*6R/9R=2R
And 12R and 24R are in parallel
So effective=12R*24R/36R=8R
Now 2R,8R,5R are in series
So effective=15R
Now both 15R are parallel
So effective=15R*15R/30R
= 7.5R
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