36.1 million excess electrons are inside a closed surface. Part A What is the net electric flux through the surface? IVE ΑΣΦ Submit Request Answer 22 ? N.m²/C
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- Two parallel conducting plates, each of cross-sectional area 400 cm2, are 2.0 cm apart and uncharged. If 1.01012 electrons are transferred from one plate to the other, what are (a) the charge density on each plate? (b) The electric field between the plates?nonconductor solid cylinder with a 30-cm-radius and a height of 60.0 cm is unifo rmly charged to 120 nC. a. What is the cylinder’s volume charge density (C/m³ )? b. How much charge is enclosed by A cylinders of radii 10 cm, 20 cm, and 30 cm? (c) What is the electric field strength at points 10 cm, 20 cm, and 30 cm from the center of the cylinder?A total charge 5.0106 C is distributed uniformly throughout a cubical volume whose edges are 8.0 cm long. (a) What is the charge density in the cube? (b) What is the electric flux through a cube with 12.0-cm edges that is concentric with the charge distribution? (c) Do the same calculation for cubes whose edges are 10.0 cm long and 5.0 cm long. (d) What is the electric flux through a spherical surface of radius 3.0 cm that is also concentric with the charge distribution?
- Consider a uranium nucleus to be sphere of radius R=7.41015 m with a charge of 92e distributed uniformly throughout its volume. (a) is the electric force exerted on an electron when it is 3.01015 m from the center of the nucleus? (b) What is the acceleration of the electron at this point?A net flux of 1.0104 N ? m2/C passes inward through the surface of a sphere of radius 5 cm (a) How much charge is inside the sphere? (b) How precisely can we determine the location of the charge from this information?(a) If the electric flux through a closed surface is zero, is the electric field necessarily zero at all points on the surface? (b) What is the net charge inside the surface?
- Consider an electron that is 1010 m from an alpha particle (q=3.21019C) . (a) What is the electric field due to the alpha particle at the location of the electron? (b) What is the electric field due to the electron at the location of the alpha particle? (c) What is the electric force on the alpha particle? On the electron?(a) What is the electric field of an oxygen nucleus at a point that is 1010 m from the nucleus? (b) What is the force this electric field exerts on a second oxygen nucleus placed at that point?A large sheet of charge has a uniform charge density of 10C/m2 . What is the electric field due to this charge at a point just above the surface of the sheet?
- Two thin parallel conducting plates are placed 2.0 cm apart. Each plate is 2.0 cm on a side; one plate carries a net charge of 8.0 C , and the other plate carries a net charge of 8.0C . What is the charge density on the inside surface of each plate? What is the electric field between the plates?В. 100 N/C Which surface, A or B, has the larger electric flux? O Surface A has more flux. O Surface B has more flux. O The fluxes are equal. O It's impossible to say without knowing more about the electric field. A.I| An early model of the atom, proposed by Rutherford after his discovery of the atomic nucleus, had a positive point charge +Ze (the nucleus) at the center of a sphere of radius R with uniformly distributed negative charge -Ze. Z is the atomic number, the number of protons in the nucleus and the number of electrons in the negative sphere. a. Show that the electric field inside this atom is Ze 1 Ein 4πο R3 b. What is E at the surface of the atom? Is this the expected value? Explain. c. A uranium atom has Z = 92 and R = 0.10 nm. What is the electric field strength at r =R?