Which direction of which side should I used for my calculation? Is it 27 or 25 ohm? P.s. The answer may not be correct Thanks for your help ! 5.0 Ω30 V 27.0 N8.0 012.0 Ω 10 VFIGURE 3.6(b)FIGURE 3.6 consists of four resistors and two dry cells connected in series.Find the potential difference between point A to B.{Ans: (a) I.32 A downwards, (b) 19.6 V}

R1 = 5 ohm R2 = 27 ohm R3 = 8 ohm R4 = 12 ohm V1 = 30 Volts V2 = 10 Volts

5.0 N 30 V 27.0 S2 8.0 N 12.0 Ω 10 V B FIGURE 3.6 (b) FIGURE 3.6 consists of four resistors and two dry cells connected in series. Find the potential difference between point A to B. {Ans: (a) I.32 A downwards, (b) 19.6 V}

5.0 N 30 V 27.0 S2 8.0 N 12.0 Ω 10 V B FIGURE 3.6 (b) FIGURE 3.6 consists of four resistors and two dry cells connected in series. Find the potential difference between point A to B. {Ans: (a) I.32 A downwards, (b) 19.6 V}

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter21: Circuits And Dc Instruments

Section: Chapter Questions

Problem 17PE: (a) What is the terminal voltage of a large 1.54-V carbon-zinc dry cell used in a physics lab to...

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Concept explainers

Ohm's law

Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.

Path of Least Resistance

In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.

Question

Which direction of which side should I used for my calculation? Is it 27 or 25 ohm?
P.s. The answer may not be correct

Thanks for your help !

5.0 Ω
30 V 27.0 N
8.0 0
12.0 Ω 10 V
FIGURE 3.6
(b)
FIGURE 3.6 consists of four resistors and two dry cells connected in series.
Find the potential difference between point A to B.
{Ans: (a) I.32 A downwards, (b) 19.6 V}

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