Question 18 In this figure, we have a circun with two resistors and 400 bateries

Question

Question 18 In this figure, we have a circun with two resistors and 400 bateries (cach with EMF source and internal resistance) AW , = 4.70V r. - 41.Omn R2 = 13.5. es = 3.0ov ra- 650 m n K4 - 25. 4) what is the magnitude and direction (clockwise or counter- Clockwise) of current in the circuit. b) Find the terminal voltage of the top battery Vab . This is the voltage at a with respect to b. C) Find the terminal voltage of the bottom battery ved. This is the voltage ate with respect to d. d) Find the vo Hoge Vad, he Vo Hage at Point a with respect to point d.

Explanation / Answer

18. Applying KVL,

e1 - I r1 - I R4 + e3 - I r3 - I R2 = 0

I = (4.70 + 3) / (0.041 + 13.5 + 0.656 + 25.6)

I = 0.193 A counterclockwise

(A) I = 0.193 A , CCW

(B) V_top = e1- Ir1

= 4.692 Volt

(C) V_bottom = e3 - I r3

= 2.873 Volt

(D) Vad = I R4 = 4.94 Volt

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