10. Escriba la ecuación de las corrientes en el nodo b según se marcan las direcciones de la corriente en la figura. I2 I3 42 a) I, +1, + 1, = 0 b) I, = I; + I, c) I, +I, = I, d) 41, + 61, = 4V e) 3V = I, + 6l, %3D ww
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