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3 cards from this section. Quick, good the night before a test.
What is electric charge?
Think about forces in electric or magnetic fields.
Define positive charge.
Consider what happens when an object loses electrons.
What is the unit of electric charge?
This unit is named after Charles-Augustin de Coulomb.
True or False: Electric charges can be created and destroyed.
Think about how charges behave in a closed system.
A sphere has a net positive charge of +10μC. If it gains additional +5μC charge, what will its new charge be?
Remember the additive property of charge.
Two point charges, +3μC and -3μC, are 1 meter apart. Calculate the force between them using Coulomb's law.
Look up the formula for Coulomb's law.
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