By the end of this chapter you should be able to
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 | describe basic properties of magnetic and electric forces and identify everyday examples of each;
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 | calculate the electric force between two charges;
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 | draw electric field diagrams around point charges;
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 | draw magnetic field diagrams around a bar magnet;
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 | describe electrostatic induction and how an electroscope works;
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 | explain how electric shielding works and give practical examples;
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 | calculate electric potential and electric potential energy;
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 | infer the properties of an electric field based on equipotential lines; and
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 | describe how a capacitor works and calculate its stored charge and energy.
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