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$$
\text { Find } i_{s}, i_{1}, \text { and } i_{2} \text { in the circuit shown }
$$

الخطوات

(1) تجميع المقاومات

(2) إيجاد التيار الكلي

(3) تطبيق مجزأ لتيار

$$
R_{eq}=\frac{R_{1} R_{2}}{R_1*R_2}=\frac{9*18}{9+18}=6 \Omega
$$

.

$$
R_{eq}=R_1+R_2=4+6=10 \Omega
$$

$$
I=\frac{V}{R}
$$

$$
I=\frac{120}{10}
$$

$$
I_{s}=12 A
$$

$$
I_{1}=\frac{I * R_{2}}{R_{1}+R_{2}}=\frac{12*9}{9+16}=4A
$$

$$
I_{2}=\frac{I * R_{1}}{R_{1}+R_{2}}=\frac{12*18}{9+18}=8 A
$$

 

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