Question

Find the equivalent resistance between A&B

Answer 1

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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