(14%) Problem 8: Consider a circuit shown in the figure. Ignore the internal resistances of the batteries. A Randomized Variables &1 = 48 V &2 = 32 V R₁ =3Q R₂=29 R3 = 29. 14% Part (b) Write the equation of potential change in loop EBAF in terms of the circuit elements. EVEBAF = 1-11 R₁-13 R3 ✓ Correct! 14% Part (c) Write the equation of potential change in loop DCAF in terms of the circuit elements. EVDCAF = 2 + 12 R2 -13 R3 ✓ Correct! A 14% Part (d) Solve the three equations to get 13. 13 = 0 &1 В g 13 R₂ SOLER 82 Submit 14% Part (a) Express the current I, going through resistor R, in terms of the currents 12 and 13 going through resistors R₂ and R3. Use the direction of the currents as specified in the figure. I1=I2+ 13 ✔ Correct! 0 I₁ m R3 Hint a d 12 R₁ t Hints: 1 for a 0% deduction. Hints remaining: 0 -You are solving a system of three equations, and the three unknowns are the currents. Use substitution to eliminate I₁ and 12. A 14% Part (e) Calculate the numerical value of I3 in A. A 14% Part (f) Calculate the numerical value of 12 in A. A 14% Part (g) Calculate the numerical value of I, in A. ( ) 1A A 1 * + 7 8 9 4 5 6 1 2 3 - HOME 0 END VO BACKSPACE DEL CLEAR Feedback I give up! Feedback: 0% deduction per feedback. R3 R₁ R₂ &₁ 1₁ F LL E D

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