## Question

###### Etermine the voltage and current of each of the elements in the circu power delivered by...

etermine the voltage and current of each of the elements in the circu power delivered by each current source. 1.5A V4 0.5A 30V v1 1200 +V3 20Ω

## Answers

30V_9 120 ohm are parallel rightarrow In parallel, voltage remains same therefore V_1 = 30V therefore L_1 = V_1/120 = 30/120 = 0.25 A from circuit (node 'a') 1.5A + 0.5A = i_2 therefore i_2 = 2A V_2 = (40 ohm) (2A) = 80V similarly 40 ohm, 0.5A are parallel therefore V_6 = V_2 = 80V. \r\n from circuit (node 'c') i_5 = i_1 + 1.5A therefore i_5 = 0.25A + 1.5A = 1.75A similarly (node 'b') i_2 = i_3 + 0.5A therefore i_3 = i_2 - 0.5 = 1.5A therefore i_3 = 1.5A V_3 = -i_3 (20 ohm) = -1.5 times 20 = 30V Apply KVL in middle loop -V_1 + V_4 + V_2 - V_3 = 0 therefore V_4 = V_1 + V_3 - V_2 V_4 = 30 - 30 - 80 therefore V_4 = -80V power delivered by 1.5A current source p_1.5A = V_4 (1.5A) = 80 times 1.5 = p_1.5A = 120 walts delivered. \r\n power delivered by 0.5A source p_0.5A

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