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Three resistors of 6Ω, 4Ω and 4Ω are connected together so that the total resistance is 8Ω. Draw a diagram to show this arrangement and give reason to justify your answer.

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Question

Three resistors of 6Ω, 4Ω and 4Ω are connected together so that the total resistance is 8Ω. Draw a diagram to show this arrangement and give reason to justify your answer.

Sum
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Solution

In parellel, 

`1/"R'" = 1/4 + 1/4`

R' = `4/2` = 2Ω

In series, R = R' + R"

2Ω + 6Ω = 8Ω

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