For instance, in an alkaline battery, the anode is typically made of zinc, and manganese dioxide acts as the cathode. And the electrolyte between and inside those electrodes contains ions. ... These free electrons congregate inside the anode (the bottom, flat part of an alkaline battery)
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I can’t understand I’m sorry but if you need help with math I can help you
Electricity.
When electricity flows through wire (such as a battery circuit) it creates a magnetic field around the wire.