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10 cards from this deck
Interaction between charged objects
Repel each other
Attract each other
Charge redistribution in conductor near charged object
Charge separation in insulator, creates net attraction
F∝Q1Q2F \propto Q_1Q_2F∝Q1Q2 and F∝1r2F \propto \frac{1}{r^2}F∝r21
F=Q1Q24πε0r2F = \frac{Q_1Q_2}{4\pi\varepsilon_0 r^2}F=4πε0r2Q1Q2
ε0=8.85×10−12\varepsilon_0 = 8.85 \times 10^{-12}ε0=8.85×10−12 F m−1^{-1}−1
Spherical charged object treated as point charge at centre
Electrostatic force over 103910^{39}1039 times larger
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