'Dq dx' presentation slideshows

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??? ???? ??????????. 8 ? ?????? m ????? +q ??????? ? l ???????????????????? 2 ? ??????????????. ?? x ?????????? ? 1 ??? l =1.20 m ? m =10 g ? x =5.0cm ????? ??? q ???? ? 2 ?????? 1.0 ?10 9 ?? / ????????? ?????????????? ????. ??????????????????. ?. ?. ?? ? ?? ?. T. F. x.

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??? ???? ??????????. 8 ? ?????? m ????? +q ??????? ? l ???????????????????? 2 ? ??????????????. ?? x ?????????? ? 1 ??? l =1.20 m ? m =10 g ? x =5.0cm ????? ??? q ???? ? 2 ?????? 1.0 ?10 9 ?? / ????????? ?????????????? ????. ??????????????????. ?. ?. ?? ? ?? ?. T. F. x.

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An infinitesimal length dx of rod has dq= ?dx of charge, where ?=Q/L.

A thin rod of length L with total charge Q lies along the x-axis as shown. Find the magnitude and direction of the electric field at P, a distance y from the rod and along the perpendicular bisector of the rod. An infinitesimal length dx of rod has dq= ?dx of charge, where ?=Q/L. y.

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Think Break #1

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