R - Galileo and Einstein

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Today’s Topics • Continuous charge distributions: line of charge • Visualizing the field: lines of force • Electron moving in a field • Electric dipoles
Superposition • The total electric force on a charge Q 3 from two charges Q 1 , Q 2 is the vector sum of the forces from the charges found separately. Q 1 Q 2 Q 3 F 2 3 23 23 2 r23 F kQ Q rˆ F kQ Q rˆ 1 3 13 13 2 r13 on Q total 3 Sounds trivial—but superposition isn’t true for nuclear forces!
Page 1: More Electric Fields Physics 2415 L
Page 5 and 6: Field from a Uniform Line of Charge
Page 7 and 8: Electric Field from a Plane of Char
Page 9 and 10: Motion of an Electron Between Two O
Page 11 and 12: Field Lines for Two Equal Charges
Page 13 and 14: The Dipole Field • Notice that th
Page 15 and 16: Molecular Dipoles • Many molecule
Page 17 and 18: Potential Energy of Dipole in Elect
Page 19: Microwaving Water Dipoles • Recal

R - Galileo and Einstein

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