18 12:0000 AM-Due Date: 8/5/2018 1 (7%) Problem 3: A circuit consisting of 5 res

Question

18 12:0000 AM-Due Date: 8/5/2018 1 (7%) Problem 3: A circuit consisting of 5 resstors is shown in the graph Their resistances are R1.in2, R2's ?, R3-85Q,R4 = 72 ?, and R,-36 ?, and the ernf ofthe battery is e 2.5 V. Suppose the internal resistance of the battery is zero Ri R, Status view X 14% Part (a) Express the equn alentresstance of the combination ofR-A, and R. tatus ompleted ompleted artial Partial Completed Potential 100% Attempts eaining A per attempt) Completed Partial Completed R4 Hint Completed R in terms of R, R,R.R, and R e of the c Completed? ??14% Part (c) Calculate the nurnancal value ofthe total resistance Rm? 14% Part (f) Express the power P dissipated by RI trough, and R ? i 4% Part (g) Calculate the numerical value of the power P m w ? ? 14% Part (e) Calculate the nurner cal value of /in A.

Explanation / Answer

a)

1/Req =1/R2 + 1/R3+R4

Req =R2R3R4/[R2R3+R3R4+R2R4]

b)

R = R1 + [R2R3R4/[R2R3+R3R4+R2R4]] +R5

c)

R= 18+(75*85*72/[75*85+85*72+75*72]) + 36

R=79.65 ohms

d)

I=E/R

e)

I= 2.5/79.65 =0.031387 A

f)

P=I2R1

g)

P=0.0313872*18 =0.01773 Watts

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.