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Rp and Ra respectively. asTwoWires P and Q haveresistanceWires Pis twicewire Q and haslong astwice thediameterof wire Q. The wiremadeof the same materialWhat is theaveratio Rp/RQ? |
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Answer» The diagram SHOWS a wire of diameter D and length L that is firmly clamped at one END between two blocks of wood. A load is APPLIED to the wire which extends its length by x. A second wire is made of the same material, but of diameter 2D and length 3L. Both wires obey HOOKE's law. |
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