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jldi
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kardo
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I think it is C =2P for you question
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Let the resistance of the rod be R.
If the rod is divided into two equal parts, then each part of the rod will have a resistance of R/2.
Now these two parts of the rod are connected in parallel and a voltage V is applied across them.
Hence the total power consumed is P = V2/R
the power consumed by the original rod when voltage V is applied across it.
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