MasteringPhysics: CH 25 HW-Google Chrome https:// mastering physics.com /myct/it

Question

MasteringPhysics: CH 25 HW-Google Chrome https:// mastering physics.com /myct/itemView? assignment ProblemID- 44777612 Session S 15 PHYS2-2212F Studio Signed in as Garrett Holla CH 25 HW Exercise 25.24 previous Exercise 25.24 Part A You have a 1.0 2 a 2.0 2 and a 3.0 S2 resistor What equivalent resistances can you form using all three if one in series with two in parallel? Express your answer using two significant figures. If there is more than one answe enter each answer in ascending order separated by a comma Req 3.7.. 1.375. 1.833 Submit My Answers Give U Incorrect, Try Again, 4 attempts remaining Part B What equivalent resistances can you form using all three if one in parallel with two in series? Express your answer using two significant figures. If there is more than one answe enter each answer in ascending order separated by a comma Submit My Answers Give Up

Explanation / Answer

WHEN RI IN SERIES AND R2 AND R3 ARE IN PARALLEL

1/R = 1/20 + 1/30

1/R= 5/60

R= 12

Req = 10 + 12 = 22 ohm

WHEN R2 IN SERIES AND R1 AND R3 ARE IN PARALLEL

1/R1 = 1/10 + 1/30

1/R1 = 4/30

R1 = 7.5

Req = 20+ 7.5 = 27.5 ohm

WHEN R3 IN SERIES AND R2 AND R1 ARE IN PARALLEL

1/R1 = 1/10 + 1/20

1/R1 = 3/20

R1 = 6.67

Req = 30 + 6.67 = 36.67 ohm

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