Case 1. When in contact with a highly negative material Case 2. When in contact with a highly positive material + +++++ ++ A is brought very near 8 but not touching it. A is brought very near B but not touching it. + + +++ ++++++ + +++++ What happens next? What happens next? ? ? ? ? What will happen to the charges in materials A and B when separated? Draw the charges in the boxes above. What will happen to the charges in materials A and B when separated? Draw the charges in the boxes above. When A and B are separated, A becomes charged since it electrons. B becomes (positively, negatively) charged since it When A and B are separated, A becomes . (positively, negatively) (loses, gains) since it (positively, negatively) charged (loses, gains) electrons. (positively, B becomes negatively) charged since it gains) electrons. (loses, (loses, gains) electrons.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.