Battery Vertical
Which way does electricity flow (positive/negative) and which side of the symbol for a battery is plus?
Two questions, which i am not sure the answer is correct so just clarifying.
Charge flows from positive to negative or negative to positive in a battery?
The symbol for a battery/cell is two vertical lines of which 1 is short 1 is long. Which of the two lines represent the negative side and the positive side.
Electrons flow from the negative terminal to the positive terminal. When electricity was first discovered they didn’t really have a way of telling which way it was flowing so they made a guess. As it turned out, the guess was wrong.
When an electron moves from one position to another it leaves a “hole” behind. Another electron flows in and fills this hole, leaving its own hole further down the line. So in practice although electricity can be considered as a stream of electrons flowing from negative to positive, it can be equally considered as a stream of “holes” flowing from positive to negative.
To answer your second question, the small bar is positive and the large bar is negative. I like to think of the symbol as being a battery…the small bar is the little bump on the battery’s positive end while the long bar is the large flat area on the negative end of it.
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