in which direction do electrons flow

If you said positive to negative, you are wrong. (d) At which electrode are electrons generated? If you are an EE you definitely know the answer to this, or at least you think you do. 12 - Electrochemistry. For each of these types of lightning, current flow and leader development can also take place in both directions. (b) In which half-cell does reduction occur? Since the zinc is on the left and loses its electrons more readily the electrons flow from the electrode through the wire and voltmeter to the copper ... Join Yahoo Answers and get 100 points today. The electronic technicians understand this and live with these symbols. Of course, because it's the engineers thinking in terms conventional current flow that are the ones getting to make the electronic symbols we see on schematics, the arrows point in the direction of conventional current flow and not in the direction of electron flow.
The electrons remain behind on the Zn electrode.

If for any reason would we would want to refer to electron flow, we make sure to say so. 1) Do the electrons literally move, or is there just transfer of energy? In a circuit, the direction of the current is opposite the flow of electrons.

(e) Which electrode is positively charged? 1.

However, the movement of electrons and the transfer of energy do not occur at the same speed. In which direction do electrons flow? Which direction between electrodes do electrons flow in an electrolytic cell? The direction of the flow of charge, the electrons, or the conventional current, is not relevant to the amount of work that is being done.

In this case, they don’t mean protons or positrons: they’re talking about the flow of “space lacking electrons” or “electron holes” – gaps in space where there are no electrons even though there could be.
Thus, the current in the external circuit is directed away from the positive terminal and toward the negative terminal of the battery. anode to cathode.

Log in. When it is negative, it will be in the opposite direction: For an electron: $$\vec{F} = (-e)\vec{E}$$ which, as is visible, will accelerate electrons in the opposite direction as that of the current. Since Zn is oxidized, the Zn electrode is the anode. The reasons for this are mostly historical.

The Zn(s) gives up its electrons to form Zn²⁺(aq) ions.

Get the answers you need, now! Direct current or DC electricity is the continuous movement of electrons from negative to positive through a conducting material such as a metal wire. Physics. But, yes, holes appear to be moving in the opposite direction to electrons, when the electrons in the semiconductor device move from one vacancy to the another. Therefore, we can still use conventional current flow even though it’s technically wrong and come up with the right answer. Since electrons and protons have an equal but opposite charge, an electron flowing in one direction is equal to a proton flowing in the opposite direction. The electrons travel through through an external circuit to the copper electrode. 5 points In which direction do electrons flow?

In a battery (voltaic cell), in which direction does conventional current flow?

Ask your question. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Holes are a term given to absence of electrons. Join now. Over the years, ( increased / decreased) burning of fossil fuels has cau We know that in transistors and diodes, electric current is carried by both free electrons and holes.Free electrons and holes travel in opposite directions. 1.

“The nice thing about standards is that there are so many of them to choose from.” —Andrew S. Tanenbaum, computer science professor Positive and Negative Electron Charge. Log in. A DC circuit is necessary to allow the current or steam of electrons to flow.

References: Start studying Ch. 1 hour ago What pattern is shown in the graph between fossil fuels and carbon emissions? Consider the following voltaic cell: (a) In which direction do electrons flow in the external circuit? In which direction do electrons flow Ask for details ; Follow Report by Kajal58 30.11.2017 Log in to add a comment Electrons flow from the anode to the cathode through an external wire. The answer is BOTH: There are distinct types of lightning strikes to earth that can travel in either direction - cloud-to-ground lightning and ground-to-cloud lightning. Which direction between electrodes do electrons flow in a galvanic/voltaic cell? Join now. A common galvanic cell is the Daniell cell, shown below. For example, if free electrons flow from left to right then the holes will flow from right to left. Hence, here you can say the direction of the current is the direction of the holes! When Benjamin Franklin made his conjecture regarding the direction of charge flow (from the smooth wax to the rough wool), he set a precedent for electrical notation that exists to this day, despite the fact that … (c) In which half-cell do electrons leave the cell? Without knowing what charges actually do the flow, the concept of current considers the case that they are hypothetical positive charges flowing. When discussing positive to negative flow, electrical engineers will sometimes discuss positively charged particles flowing. Secondary School. Electrons move opposite the direction of the electric field, and they have a natural course of action to "climb" in voltage.


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