I can't understand this circuit

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This discussion focuses on understanding circuit simplification, specifically regarding the concept of grounding in electrical circuits. Users clarify that all connections to ground are at the same potential, allowing for the replacement of ground connections with a direct wire to the battery's other end. The conversation also addresses the simplification of circuits by removing unnecessary ground connections, thereby enhancing clarity in circuit analysis. The participants emphasize the importance of visualizing circuits correctly to facilitate understanding.

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[PLAIN]http://img34.imageshack.us/img34/2739/image3sz.png

what is this circuit? can someone explain me? please I need to understand the basics in order to solve difficult exercises

thanks in advance
 
Last edited by a moderator:
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All the connections to the ground are at the same potential. This means that you can replace the ground connections with a straight wire connecting the other end of the battery to the other end of each resistor. Redraw the circuit then and see if it makes more sense to you.
 
kuruman said:
All the connections to the ground are at the same potential. This means that you can replace the ground connections with a straight wire connecting the other end of the battery to the other end of each resistor. Redraw the circuit then and see if it makes more sense to you.

thank you for the explanation what if the circuit was something like this

[PLAIN]http://img255.imageshack.us/img255/7705/26466399.jpg

is it possible to simplify it like you did with the first circuit?
 
Last edited by a moderator:
This circuit doesn't make much sense. You show only the "high" side of the battery. What is the "low" end of the battery connected to? Assuming the convention that the "low" side is grounded, then you can remove the two grounds and connect the low end of the battery to the other end with a straight wire.
 
kuruman said:
This circuit doesn't make much sense. You show only the "high" side of the battery. What is the "low" end of the battery connected to? Assuming the convention that the "low" side is grounded, then you can remove the two grounds and connect the low end of the battery to the other end with a straight wire.

thanks I understand it now
 

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