Batteries have three parts: an anode, cathode and electrolyte. Electrons build up at the anode, the negative end. Because electrons have the same charge, they repel each other. In a closed circuit, there’s a path for them to take to get to a place with fewer electrons: the cathode, or the positive end. When using batteries, don’t ever directly connect the negative end to the positive end. That will create a short circuit. The wire will get very hot, you might burn yourself and the battery will lose energy quickly.
In which detail does the author provide a reason not to connect the negative end of a battery to the positive end directly?
“.the battery will lose energy quickly.”
“. there’s a path for them to take.”
“. they repel each other.”
“Electrons build up at the anode.”
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