Physics, 03.07.2019 02:30 maevemboucher78
Displacement field ed iv. superposition of sources for the displacement field in systems containing dielectrics, we often consider any field caused by the dielectric as an induced field, and any other field as an external field. a. consider the electrostatic field. 1. is the electrostatic field sourced by free charges, bound charges, or both? 2. suppose you wanted to determine the net electric field by superposition. what would be the most convenient way to subdivide net electric field? write out the divergence and curl for each portion of the net electric field. now consider the displacement field. b. 1. would a displacement field sourced only by free charges be considered an external field or an induced field? would this field be sourced by curl only, by divergence only, or by both? would the induced displacement field due to the polarization be sourced by curl only, by divergence only, or by both? 2. the net displacement field can be thought of as a sum of these two fields: dnt =dext +dnd is this definition of d. t consistent with v .d = piree? (hint: does one term have no divergence? )
Answers: 2
Physics, 20.06.2019 18:04
When objects are charged by they do not need to touch each other. a. friction b. induction c. conduction d. all of these
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Physics, 21.06.2019 17:50
Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.
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Physics, 22.06.2019 16:40
Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.
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Physics, 22.06.2019 20:30
Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
Answers: 3
Displacement field ed iv. superposition of sources for the displacement field in systems containing...
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