Terminal voltage and current flow

Click For Summary
SUMMARY

The discussion focuses on calculating the current flow and terminal voltage in a circuit involving a battery with an electromotive force (EMF) of 19.0 V and an internal resistance of 0.55 Ω. The calculated current for part (a) is 4.52 A. For part (b), participants seek clarification on how to determine the terminal voltage of the battery, which is essential for understanding battery performance in circuits.

PREREQUISITES
  • Understanding of Ohm's Law (V = IR)
  • Basic knowledge of electrical circuits and components
  • Familiarity with battery characteristics, including EMF and internal resistance
  • Ability to interpret circuit diagrams
NEXT STEPS
  • Research how to calculate terminal voltage in circuits with internal resistance
  • Study the impact of internal resistance on battery performance
  • Learn about series and parallel circuits involving multiple batteries
  • Explore advanced circuit analysis techniques, such as Kirchhoff's laws
USEFUL FOR

Students studying electrical engineering, educators teaching circuit analysis, and hobbyists working with battery-powered projects.

narutoish
Messages
25
Reaction score
0

Homework Statement



20-40alt.gif


(a) Calculate the magnitude and indicate the direction of flow of current in Figure 20.40. E2 = 19.0 V and r2 = 0.55 Ω.

(b) Find the terminal voltage of each battery.



Homework Equations



V = Ir

The Attempt at a Solution



I found the answer for part a to be 4.52 but i don't know how to get the second one.
 
Physics news on Phys.org
narutoish said:

Homework Statement



20-40alt.gif


(a) Calculate the magnitude and indicate the direction of flow of current in Figure 20.40. E2 = 19.0 V and r2 = 0.55 Ω.

(b) Find the terminal voltage of each battery.



Homework Equations



V = Ir

The Attempt at a Solution



I found the answer for part a to be 4.52 but i don't know how to get the second one.

I don't understand the question. It looks like you are given the battery voltages...
 

Similar threads

Identical Batteries in Parallel do not Draw Same Current, Non-Ideal?
  • · Replies 7 ·
Replies
7
Views
1K
In which direction does the current flow?
  • · Replies 5 ·
Replies
5
Views
2K
Current flowing from point A in a circuit to point B
  • · Replies 5 ·
Replies
5
Views
2K
Finding the Current in a circuit
  • · Replies 6 ·
Replies
6
Views
3K
Calculate resistance if the switch is closed 2 battery with different voltage
  • · Replies 6 ·
Replies
6
Views
4K
Current Flowing through High Voltage AC Transmission Lines
  • · Replies 8 ·
Replies
8
Views
2K
Potential difference of an emf with internal resistance
  • · Replies 4 ·
Replies
4
Views
2K
Confused about voltage & current -- Please check my understanding
  • · Replies 2 ·
Replies
2
Views
2K
How Do You Calculate Terminal Voltage and Potential Difference in a Circuit?
  • · Replies 3 ·
Replies
3
Views
7K
How do transformers work, and how to read dot notation
  • · Replies 1 ·
Replies
1
Views
3K