Tagged: how can you charge a rod negatively?
https://www.olevels.com/index.php/courses/cie-o-level-physics/lessons/induction-earthing/topic/q5-induction-earthing/
if you rub the rod it will have positive charge i didn’t get that how you can have a negative charge
it just give that you have a negative rod and insulated ball .help me understand that how to charge negatively charge a rod
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