The Circuit Shown Below, (A) Write a Node Equation at Node

question 19

Essay

the circuit shown below, (a) Write a node equation at node 1 by summing the currents leaving node 1 .
(b) Write a node equation at node 2 by summing the currents leaving node $2 .$
(c) Find $V _ { 1 }$ and $V _ { 2 }$ by solving the two node equations.
(d) Find the currents $\mathrm { I } _ { \mathrm { R } 1 } , \mathrm { I } _ { \mathrm { R } 2 } , \mathrm { I } _ { \mathrm { R } 3 } , \mathrm { I } _ { \mathrm { R } 4 } , \mathrm { I } _ { 5 }$ .
(e) Find the power absorbed by $\mathrm { R } _ { 1 } , \mathrm { R } _ { 2 } , \mathrm { R } _ { 3 } , \mathrm { R } _ { 4 }$ , and power released by $\mathrm { V } _ { \mathrm { s } }$ and $\mathrm { I } _ { \mathrm { s } }$ .

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Definitions:

Dopamine

A neurotransmitter involved in regulating movement, mood, reward, and pleasure.

Euphoria

An intense state of happiness, confidence, or well-being, sometimes artificially induced through the use of substances.

Neuron

A nerve cell that is the basic building block of the nervous system, responsible for transmitting information throughout the body.

Fire

A rapid oxidation process that produces light, heat, and typically smoke, often used for warmth, cooking, or as a method of signaling.