Lifesaver for clear explanation and steps made Solution a)using current division

Question

Lifesaver for clear explanation and steps made

Explanation / Answer

a)using current division: let R=10 || 75=0.113ohms so the current passing through 50ohms is given by i=1x(R/(R+50)) =>i=2.25x10^-3=2.25mA but in the given circuit iy=-i=-2.25mA b)using source transformation: 1A || 75 so voltage source has voltage V=1x75=75volts in series with 75ohms so now,R1=10 || 50 =>R1=0.12 the total resistance of the circuit is given as Req=R1+75=75.12ohms the total current delivered by the source is given as i=V/Req=75/75.12=0.99A the current passing through 75ohms is same as i and current passing through 50ohms is given by i2=ix(10/(50+10))=0.165A but iy=-i2=-0.165A

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