R3 A R1 В E R2 D -I; going through resistors R, and R3. Use the direction of the

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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I can't get part f and g. Can you please help?

Problem 10: Consider a circuit shown in the figure. Ignore the internal resistances of the
R3
batteries.
Randomized Variables
E1 = 22 V
E = 48 V
R =12
R1
В
R2 = 5 2
R3 = 72.
E2
R2
Part (a) Express the current I; going through resistor R, in terms of the currents I, and I; going through resistors R2 and R3. Use the direction of the
currents as specified in the figure.
I = 12 + I3 v Correct!
Part (b) Write the equation of potential change in loop EBAF in terms of the circuit elements.
IVEBAF = 1 - 1 R1 - R3 I3 / Correct!
Part (c) Write the equation of potential change in loop DCAF in terms of the circuit elements.
EVDCAF = I, R2 - I3 R3 - 82 v Correct!
Part (d) Solve the three equations to get I3.
I3 = (R2 e1 - R1 &2 )(R¡ R2+R, R3 + R3 R1 )
/ Correct!
Part (e) Calculate the numerical value of I in A.
I; = 1.319
/ Correct!
Part (f) Calculate the numerical value of I, in A.
I =
Part (g) Calculate the numerical value of I, in A.
I; =
Transcribed Image Text:Problem 10: Consider a circuit shown in the figure. Ignore the internal resistances of the R3 batteries. Randomized Variables E1 = 22 V E = 48 V R =12 R1 В R2 = 5 2 R3 = 72. E2 R2 Part (a) Express the current I; going through resistor R, in terms of the currents I, and I; going through resistors R2 and R3. Use the direction of the currents as specified in the figure. I = 12 + I3 v Correct! Part (b) Write the equation of potential change in loop EBAF in terms of the circuit elements. IVEBAF = 1 - 1 R1 - R3 I3 / Correct! Part (c) Write the equation of potential change in loop DCAF in terms of the circuit elements. EVDCAF = I, R2 - I3 R3 - 82 v Correct! Part (d) Solve the three equations to get I3. I3 = (R2 e1 - R1 &2 )(R¡ R2+R, R3 + R3 R1 ) / Correct! Part (e) Calculate the numerical value of I in A. I; = 1.319 / Correct! Part (f) Calculate the numerical value of I, in A. I = Part (g) Calculate the numerical value of I, in A. I; =
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