Slide 1Chapter 21: The Electric Field I: Discrete Charge Distributions Section 21-1: Charge Slide 2 Electric charges of the same sign A.attract each other. B.repel each other.…
Lecture 4 Electric field lines; Electric field of a dipole August 13, 2015 Response to an electric field Example If an electron (q = −e = −1.6× 10−19C, m = 9.1× 10−31…
Slide 1 When an object is dropped on earth, the work done by the gravitational force is equal to the change in gravitational potential energy: W = mgh initial - mgh final…
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Lecture 14 Magnetism Magnets ... two poles: N and S Like poles repel Unlike poles attract Magnetic Field lines: (defined in same way as electric field lines, direction and…