Electromagnetism revision
Electromagnetism revision
Electric fields Chapter 16
Chapter 16 Electric fields
Charge is quantized(量子化). Everything is charged in multiples of e the elementary charge(except quarks
Charge is quantized (量子化). Everything is charged in multiples of e, the elementary charge (except quarks!)
Charge is conserved(守恒的) The total charge of the universe never changes
Charge is conserved (守恒的). The total charge of the universe never changes
Electric field of one point charge E Observation location Source charge 二 丌C 0 Coulombs Law
Electric field of one point charge r r q E ˆ 4 1 2 0 = q Coulomb’s Law