Problem 3 TA power supp ed ba element Y is the element X Sol

Problem -3 TA power supp ed ba element Y is the element X

Solution

Ans)

Given Py=45 W

as Vy=15 V from circuit

I_Z=-Py/Vy=-45/15=-3 A negative sign because IZ direction is opposite to diection of current of element Y when power is supplied

I_Z=-3 A

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Using KCL current through element X is Ix=I_Z+4I_Z=5*-3=-15 A

Ix=-15 A

Usin KVL voltage across element X is Vx=10+15=25 V

Vx=25 V

Power supplied by element X is Px=Vx*Ix=25*-15=-375W

Px=-375 W