Physics, 18.01.2020 04:31 graycelynn123
Ahollow metal sphere is electrically neutral (no excess charge). a small amount of negative charge is suddenly placed at one point p on this metal sphere. if we check on this excess negative charge a few seconds later we will find one of the following possibilities: a. all of the excess charge remains right around p. b. the excess charge has distributed itself evenly over the outside surface of the sphere. c. the excess charge is evenly distributed over the inside and outside surface. d. most of the charge is still at point p, but some will have spread over the sphere. e. there will be no excess charge left.
Answers: 2
Physics, 21.06.2019 23:30, 1031kylepoe03
Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?
Answers: 3
Physics, 22.06.2019 18:00, fletcherjf3
Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
Answers: 2
Ahollow metal sphere is electrically neutral (no excess charge). a small amount of negative charge i...
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