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In the following circuit , find the valu...

In the following circuit , find the value of `R_(AB)`

Strategy `:` (1) The symmetry suggests that current flowing from D to C will be equal to current flowing from C to E.
(2) Remove the node C and change the circuit as follows and find `R_(AB)`.

Text Solution

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`:. R_(AB) = (8r)/(7)`
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