Electrical Circuit Problem / Electric Potential Difference

AI Thread Summary
The discussion revolves around determining the electric potential difference between points A and B in a circuit problem. The participant is uncertain about how to approach the problem, having just started the electric circuits unit. They seek guidance on whether there is current at points A or B and how to simplify the circuit by reducing resistors in series or parallel. Additionally, they inquire about the current flowing through a 4k resistor connected to point A. Clarifying these concepts is essential for solving the potential difference question effectively.
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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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