Electrical Circuit Problem / Electric Potential Difference

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SUMMARY

The discussion centers on calculating the electric potential difference between points A and B in a circuit, with options ranging from 0V to 5V. Key equations mentioned include E = qV and V = iR, which are fundamental in analyzing electric circuits. Participants express confusion about the current flow at points A and B and seek guidance on simplifying the circuit by reducing resistors in series or parallel. The inquiry also includes a specific question about the current flowing through a 4kΩ resistor connected to point A.

PREREQUISITES
  • Understanding of Ohm's Law (V = iR)
  • Familiarity with electric potential and potential difference
  • Knowledge of series and parallel resistor configurations
  • Basic concepts of electric current and circuit analysis
NEXT STEPS
  • Study the principles of electric potential difference in circuits
  • Learn how to simplify circuits with series and parallel resistors
  • Explore current calculations in resistive circuits using Ohm's Law
  • Investigate the behavior of circuits with multiple resistors and their impact on voltage and current
USEFUL FOR

Students beginning their studies in electric circuits, educators teaching circuit analysis, and anyone looking to strengthen their understanding of electric potential and current flow in resistive networks.

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Homework Statement



In the following picture, the absolute value of the difference in electric potential, between points A and B is:
244-circuito-eletrico.png

A)5V
B)4V
C)3V
D)1V
E)0V

Homework Equations


E =qV
V = iR

The Attempt at a Solution


I have no idea where to start on this one, just started my electric circuits unit so please bare with me. Any help would be appreciated, thanks and sorry for the inconvenience.
 
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Is there any current at points A or B? If so why, if not, why not?
 
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Can you reduce the circuit in any way? In other words, are there 2 resistors in series that you can reduce to a single resistor, or are there 2 resistors in parallel that you can reduce to a single resistor? How much current is flowing through the 4k resistor that is connected to point A?
 

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