a/ By applying the Ohm's law and the KVL, calculate the resistance
R₁, R₂ and the total equivalent resistance RT.
b/ Calculate the power P₁, P2, P3 dissipated on each resistor.
R₁
3 mA
E = 72 V
8 ΚΩ
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R3
+
36 V
m
R₂
Fig: 1