Answer Posted / stephen
Well put...
Here's a look at the difference between the anode and cathode of a cell or battery and how you can remember which is which.
Flow of Current
The anode and cathode are defined by the flow of current. In the general sense, current refers to any movement of electrical charge. However, you should keep in mind the convention that current direction is according to where a positive charge would move, not a negative charge. So, if electrons do the actual moving in a cell, then current runs the opposite direction.
Why is it defined this way? Who knows, but that's the standard. Current flows in the same direction as positive charge carriers, for example, when position ions carry the charge. Current flows opposite the direction of negative charge carriers, such as electrons in metals.
Cathode
The cathode is the negatively charged electrode.
The cathode attracts cations or positive charge.
The cathode is the source of electrons or an electron donor. It may accept positive charge.
Because the cathode may generate electrons, which typically are the electrical species doing the actual movement, it may be said that cathodes generate charge or that current moves from the cathode to the anode. This can be confusing, because the direction of current would be defined by the way a positive charge would move. Just remember, any movement of charged particles is current.
Anode
The anode is the positively charged electrode.
The anode attracts electrons or anions.
The anode may be a source of positive charge or an electron acceptor.
Cathode and Anode
Remember, charge can flow either from positive to negative or from negative to positive! Because of this, the anode could be positively charged or negatively charged, depending on the situation. The same is true for the cathode.
Keeping Them Straight
Remember the CAThode attracts CATions (+ charge). The ANode attracts ANions (- charge).
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
What is the main purpose of c.f.b.c.boiler
how desiel generate sart fail of eb?
If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021
What is the use of Surge Capacitor in LAVT?
Is there any type of starter for DC motor other than two point,Three point and Four point starters?
3ph motor running with unequal kw and different pf what are the reasons
Give two basic speed control scheme of dc shunt motor?
why on delay timer used for fully automatic star delta starter?
What is signal flow graph?
which fault is severe and why?between lll fault and lllg fault which fault is severe and y?
How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.
What is oscillator circuit?
difference between main metering kiosk and check metering kiosk
i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT
Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??
