A total resistance of 5.00 Omega is to b...

A total resistance of `5.00 Omega` is to be produced by connecting an unknown resistance. a) What must be the value of the unknown resistance and (b) should it be connected in series or in parallel (c) What is the total resistance if the unknown resistance is connected the other way?

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The correct Answer is:

`(a) 7.50 Omega; (b)" parallel "(c) 22.5Omega`

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