I began reading around electricity a few days back and there are some points that confused me. What I want to ask about here is the obvious contradiction in two facts the I have actually read, castle are:

Electrons circulation from the negative end that a battery come the optimistic end.Electrons flow from higher electric potential come lower electrical potential.

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The an unfavorable end of a battery is an alleged to it is in "ground" i m sorry is the reference point to measure up voltage from. The negative end is identified as gift 0 volts when the positive finish is 9 volts (if we use a 9V battery as an example). So climate why carry out electrons circulation from the low volt finish to the high volt end, shouldn"t it it is in the other method around given truth number 2 provided above?

I may very well have actually misunderstood something and also made factual errors in my claims above, however just a week earlier I knew pretty much nothing about how electrical energy works, so please forgive me.


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request Jul 28 "15 in ~ 19:12
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just some guyJust some guy
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The difficulty that there is actually an ambiguity through the definitions. So:

1) over there is a conventional current flow direction the is identified as the flow from the greater potential come the low. That was characterized a when ago, ~ above the discovery of the electricity. And it was defined incorrectly, however we still usage it.

2) over there is one electron flow. That is going from low potential come the high one for this reason opposite to the traditional flow.

So.. We have to live v that or...

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answered Jul 28 "15 at 19:28
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Eugene Sh.Eugene Sh.
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The electrons are confusing and you should overlook them.

Conventional current operation from optimistic voltage to an adverse voltage.

Electrons are negatively charged and attracted to optimistic objects: they will flow "up" an electric field towards the confident voltage.

The reason you should disregard the electrons is not only are they going the dorn way, yet not all electric current is brought by electrons. Present flows through a capacitor there is no a flow between the plates. Present flows in ionic solutions (such together inside battery electrolytes) v the movement of ions. Existing flows in semiconductors in the type of "holes", the lack of one electron.


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reply Jul 28 "15 at 19:33
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pjc50pjc50
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First, be certain you"re clear about whether you"re talking about the present flowing with the battery, or the existing flowing v the rest of the circuit because of the potential generated by the battery.

I"ll assume you"re talking about the present through the remainder of the circuit, no the present through the battery.

Electrons flow from the negative end of a battery to the confident end.

This is correct.

Electrons circulation from higher electric potential to lower electrical potential.

This is not correct. Electrons have a an adverse charge. So when they space in an electric field, the pressure on the electron is in the contrary direction native the direction the the field.

A battery creates a hopeful potential ~ above the "positive end" loved one to the "negative end". That method there is a field pointing usually from the hopeful terminal to the negative terminal. So electrons will circulation from the an unfavorable terminal to the hopeful terminal (like in your first statement).

Because the electrons have an unfavorable charge, when the electrons circulation one way, it way the conventional existing is flowing the various other way. So what you should have actually been told is

Current flows (in the remainder of the circuit) from the greater electric potential come the lower electrical potential.

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Again, there should be a closed circuit, so within the battery chemical energy is actually being converted to electric energy to reason a existing to circulation from the negative terminal come the confident one.