If the points a and b in the figure above are connected by a resistance wire ?, show that the current in the wire is given by i = E (Rs - Rx ) (R + 2r) (Rs + Rx ) + 2RsRx Here E is the electromotive force, with R1 = R2 = R and R0 = 0.

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If the points a and b in the figure above are connected by a resistance wire ?, show that the current in the wire is given by i = E (Rs - Rx ) (R + 2r) (Rs + Rx ) + 2RsRx Here E is the electromotive force, with R1 = R2 = R and R0 = 0.

3) Considere o circuito abaixo.
Contato deslizante
R
Se os pontos a e b da figura acima são ligados por um fio de resistência r, mostre que a
corrente no fio é dada por
E(R, – Rx)
i =
(R + 2r)(Rş + Rx) + 2R,Rx
Aqui E é a força eletromotriz, com R1 = R2 = R e Ro = 0.
%3D
%3D
Transcribed Image Text:3) Considere o circuito abaixo. Contato deslizante R Se os pontos a e b da figura acima são ligados por um fio de resistência r, mostre que a corrente no fio é dada por E(R, – Rx) i = (R + 2r)(Rş + Rx) + 2R,Rx Aqui E é a força eletromotriz, com R1 = R2 = R e Ro = 0. %3D %3D
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