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mechanically,chemically, thermal induction, photo-voltaic cell, through magneticinducement, and bypressure not three but six methods.
mechanically: you can rub electrons or protons of of a substance and generate adifferenceof charge, this is what causes your socks to be charged when you slide them across the floor
chemically:similarto abattery when you combine an anode and cathode they produce charge by changing their chemical make-up
thermal induction: some materials, such as copper and zink will gain or lose electrons when they are heated, when you connectthesetwo materials they will gain voltage directly proportional to theirtemperaturethus we consider the charge to be induced by the difference in temp
photo-voltaic cell: a solar cell, they produce charge by being exposed to light, when a photon hits the substance it breaks off electrons
magneticinducement: when a conductive metal has a magneticfieldrun along it, it pushes electrons down the line
Pressure:certainsubstances such as crystals produce charge when they are exposed to pressure
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Friction: Rubbing two objects together can transfer electrons, resulting in one object becoming positively charged and the other negatively charged. Conduction: Direct contact with a charged object can transfer charge to another object, bringing it to the same charge. Induction: Bringing a charged object near another object can cause electrons to be rearranged, creating an opposite charge on the objects.
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free peace
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