The cube in (Figure 1) contains no net charge. The electric field is constant over each face of the cube. Figure Part A 10 15 10 15 20 Field strengths in N/C Does the missing electric field vector on the front face point in or out? in ○ out 1 of 1
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- A long cylinder of copper of radius 3 cm is charged so that it has a uniform charge per unit length on its surface of 3 C/m. (a) Find the electric field inside and outside the cylinder. (b) Draw electric field lines in a plane perpendicular to the rod.The nonuniform charge density of a solid insulating sphere of radius R is given by = cr2 (r R), where c is a positive constant and r is the radial distance from the center of the sphere. For a spherical shell of radius r and thickness dr, the volume element dV = 4r2dr. a. What is the magnitude of the electric field outside the sphere (r R)? b. What is the magnitude of the electric field inside the sphere (r R)?A long cylinder of aluminum of radius R meters is charged so that it has a uniform charge per unit length on its surface of . (a) Find the electric field inside and outside the cylinder. (b) Plot electric field as a function of distance from the center of the rod.
- 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?A point charge q=5.01012 C is placed at the center of a spherical conducting shell of inner radius 3.5 cm and outer radius 4.0 cm. The electric field just above the surface of the conductor is directed radially outward and has magnitude 8.0 N/C. (a) What is the charge density on the inner surface of the shell? (b) What is the charge density on the outer surface of the shell? (c) What is the net charge on the conductor?A thin, square, conducting plate 50.0 cm on a side lies in the xy plane. A total charge of 4.00 108 C is placed on the plate. Find (a) the charge density on each face of the plate, (b) the electric field just above the plate, and (c) the electric field just below the plate. You may assume the charge density is uniform.
- A thin, square, conducting plate 50.0 cm on a side lies in the xy plane. A total charge of 4.00 108 C is placed on the plate. Find (a) the charge density on each face of the plate, (b) the electric field just above the plate, and (c) the electric field just below the plate. You may assume the charge density is uniform.1 ! 7 A skát с A spherically symmetric charge distribution produces the electric field E=( 5400 r²) N/C, where r is in m. Z mylabmastering.pearson.com/?courseld=12649908&key=55673220682936520262024#/ 2 pos W S X 3 20 F3 E D $ 4 C 888 R F What is the electric field strength at r= 16.0 cm ? Express your answer in newtons per coulomb. VG ΑΣΦ 4 Submit Part B Submit Part C What is the electric flux through a 32.0-cm-diameter spherical surface that is concentric with the charge distribution? Express your answer in newton meters squared per coulomb. ΕΠΙ ΑΣΦ % [VG| ΑΣΦ 5 Request Answer V FO Request Answer T How much charge is inside this 32.0-cm-diameter spherical surface? Express your answer in coulombs. G 4 a ^ 6 C 244 MacBook Air Y B SMC & ? 7 H ? N/C 80 F7 N-m²/C U C N H 8 - DII FS 1 ( 9 M DD K chegg.com X C ☆ O O MOSISO O 4 PQuestion A1 State what is meant by electric field strength at a point in space. How is its direction defined? Given that the magnitude field strength, E, at a distance r from a point charge Q is given by the formula: 1 Q E = 4T€0 r2 calculate the magnitude of the electric field at a point which is 10 cm from a positive 20 µC charge. 1 = 9 x 10º m/F. 4πεο Use Question A2 Describe what is the cause of the magnetic field of the Earth. Describe what is meant by mag- netic field strength and state its unit of measurement. Question A3 State Newtons law of gravitation in equation form naming ALL terms in the equation. The gravi- tational potential energy of a mass m on the surface of a planet of radius R and mass M is given by the expression: GMm U = - R Derive an expression for the escape velocity vesc for the given potential.
- Question A1 State what is meant by electric field strength at a point in space. How is its direction defined? Given that the magnitude field strength, E, at a distance r from a point charge Q is given by the formula: 1 Q E 4πεο r2 calculate the magnitude of the electric field at a point which is 10 cm from a positive 20 µC charge. 1 = 9 x 10° m/F. 4πεο UseSAR A A Gaussian surface has the form of a cube. If 4 nC of charge is placed inside the cube and 3 nC of charge is placed outside the cube, what is the electric flux through the sides of the cube? Answer in N.m²/C. 755Express answer/s in mks (SI) . Draw diagram whenever necessary Three charges are placed on three corners of a square, as shown in the figure. Each side of the square is24.0 cm. Compute the magnitude and direction of the electric field at the fourth corner.