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Calculate the total resistance across AB...

Calculate the total resistance across AB:

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Equivalent resistance of `3Omegaand6Omega` in parallel is,
`R_(1)=(3xx6)/(6+3)=18/9=2Omega`

Total resistance across AB is `R_(1)+R_(2)=(5+2)=7Omega`.
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Find the resistance across AB.

Find the resistance across AB.

Find the resistance across AB.

Find the resistance across AB .

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