Physics

Physics, 03.08.2019 06:30, MyaaaMoney

25 points! an electric field is the a) voltage per unit charge b) charge per unit voltage c) potential energy per unit charge d) force per unit charge

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Physics, 01.07.2019 17:10, noah2o2o

Suppose i have a uniformly charged spherical shell with charge density sigma. i place a point charge inside the shell, slightly off center. which of the following statements is true? the particle will feel zero net force. the particle will feel a non-zero net force towards the center point the particle will feel a non-zero net force away from the center point [2 points] a point charge (charge = 10 mc, mass = 3 g) is accelerated through a potential difference of 300 volts. what is the magnitude of the change in kinetic energy of the particle? j [2 points] a region of space has an electric potential equal to v(x) = 3 x2. what is the magnitude of the electric field at the point x=1? n/c [2 points] which of the following statements is not true? the electron-volt is a unit of energy electric potential is a vector quantity electric potential energy is a scalar quantity the si unit for electric potential is the volt the electric field points in the direction in which the electric potential decreases most rapidly [2 points] true or false? if the electric potential at a certain point in space is zero, then the electric field at that same point in space is also zero. true false

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Physics, 03.07.2019 00:00, maddylol3863

Which statement best defines an electric field? force per unit charge on a negative source charge force per unit charge on a negative test chargeforce per unit charge on a positive source chargeforce per unit charge on a positive test charge

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Physics, 05.07.2019 01:10, pandasarecute53

State clearly the difference (a) between electric potential and clectric field, (b) between electric potential and electric potential energy 22. the si unit for electric potential energy is a) n b) j c) v d) c 23. the si unit for electric potential is e) n 0 j g) v h) c 24. a rock moving through a gravitational field is analogous to a charge moving through an electric field. ) positive ) negative k) neutral continuous distribution of 25. which of the following has the smallest poterntial difference associated with it? m) power supply for tv tube n) flashlight battery o) automobile ignition p) houschold outlet 26. to determine the work done, one can always just simply multiply force time distance. a) true b) false 27. which of these charge configurations was not an example from these sections? c) a sphere of charge d) a ring of charge e) a disk of charge f) two opposite point charges 28. a conductor must be entirely a) true b) false at the same potential in the static case. 29, the electron-yolt is an alternate unit for a) electric potential. b) electric potential energy c) electric current d) electric charge.

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Physics, 18.09.2019 17:30, dondre54

Which of the following statements are true about the electric potential or the electric potential difference? (a) the si unit of the electric potential is volts (v). (b) the electric potential can also be expressed in units of joules. (c) the electric potential produced by a charge at a given location provides a measure of the rate at which charge flows past that point. (d) as a positive charge moves in the direction of an electric field, it gains electric potential. (f) the electric potential difference between two points is the difference in potential energy possessed by another charge at those two points, divided by this charge.

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