2.A continuous line charge distribution with uniform line nc charge density of +5 is stretched infinitely across the horizontal axis. What is the electric field at point (0,10)? m
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- Q.8 The electric field magnitude is 840N/C from a 40 cm uniform line distribution of charge in x direction. Calculate the amount of charge in a 2 x 10-2 m section of the line.Raya has two hoops that are charged and concentric, they have a radii of R and 2R respectively. They are found laying in the x and y plane. The smallest hoop has a uniform charge distribution with a density that is linear of -5.00 uC/m. At the point P which is 3R away from the center point of the hoops, the electric field is = to 0. Figure out the liner charge density on the biggest hoop. ÉR P 3RA sphere of radius a is filled with a positive charge with uniform density p. Then a smaller sphere of radius a/2 is carved out leaving and empty cavity as shown in the drawing. What is the direction and magnitude of the electric field at point A? (Hint: Use superposition concepts) Select one: ρα Oa. E: = upward 360 Ob. It is not possible to calculate because there is no spherical symmetry. 2pa downward C. E: = 360 ρα O d. E= upward 660 ρα ○ e. E = downward 860 ○ f. 7pa E= upward 860
- You have a conducting sphere shell that has radius R. It Carrie a total positive charge of Q. Point p is located inside the sphere at distance r=R/2 from the center, as shown in the picture. What is the magnitude of the electric feild at point P? a. 2KeQ/R² b. KeQ/R²c. KeQ/2R² d. KeQ/4R² e. 02. Find the electric field at a distance z above the center of a ring of radius a that has a uniform linear charge density A. Compute (only) the Er and Ez components of a cylindrical coordinate system.55 The following charge density function Po (1-r/R) for = R р elsewhere 0 describes a long cylindrical charge distribution figure out the electric field due to this charge distribution, everywhere.