A closed surface is in the form of a block with length c, width b and height a. In this room there is an electric field parallel to the x axis with magnitude: E = A + Bx, where A and B are constants. a. Determine the total flux over the closed surface. b. Determine the amount of charge covered by the payload. N x = a ko-

4. An insulating ball has a charge of 6 µC/m3. The sphere has a radius of 40 cm and it has a cavity around its     center with a radius of 10 cm. Remember that k = 9 x 109 Nm2/C2, and use π = = 3.14. A. What is the total charge of the insulating ball ? ........µC B. What is the magnitude of the electric field at a distance of 4 cm from the center ?............ N/C C. What is the magnitude of the electric field at a distance of 50 cm from the center ? ..........N/C   Please solve sub parts A,B,C and no reject. Im needed max 30 minutes thank u

A flat surface of area 3.10 m² is rotated in a uniform electric field of magnitude E = 6.65 x 105 N/C. (a) Determine the electric flux through this area when the electric field is perpendicular to the surface. N. m²/c (b) Determine the electric flux through this area when the electric field is parallel to the surface. N. m²/c

The figure below shows a uniform electric field of magnitude E = 420 N/C making an angle of o = 66.5° with a flat surface of area A = 3.20 m2. What is the magnitude of the electric flux through this surface (in N · m2/C)? E N. m2/c