In the figure shown, the magnitude of the uniform electric field is E = 70 kN/C . Calculate the electric flux through: A. The vertical rectangular surface B. The slanted surface C. The entire surface of the box
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- A thin conducing plate 2.0 m on a side is given a total charge of 10.0C . (a) What is the electric field 1.0 cm above the plate? (b) What is the force on an electron at this point? (c) Repeat these calculations for a point 2.0 cm above the plate. (d) When the electron moves from 1.0 to 2.0 cm above the plate, how much work is done on it by the electric field?What are the stable orientation(s) for a dipole in an external electric field? What happens if the dipole is slightly peltulbed from these orientations?If 10 field lines leave a Gaussian surface when it completely surrounds the positive end of an eletric dipole, what would the count be if the surface surrounded a) just the other end of the dipole? b) What if it surrounded both ends of the dipole?
- A uniform electric field of magnitude 35,000 N>C makes anangle of 47° with a plane surface of area 0.0153 m2. What is theelectric flux through this surface?Find the electric field at P in the figure shown below. (Take r = 1.2 m and theta = 41degrees. Measure the angle counterclockwise from the positive x-axis.) magnitude directionWhat is the direction of electric field ( also called field intensity E ) at point P whose coordinates given as ( 10 cm , 10 cm ) from a negative charge of 10 nC located at the coordinate origin?
- Calculate the electric field at the center of a dielectric cylinder of circular cross-section of height h and radius a with a permanent uniform polarization P0 perpendicular to its circular faces.An electron, inside an electric field region between two parallel plates as shown below, is projected upward at a speed of v0 = 5.83 x10^6 m/s and at an angle of θ = 39.0°; E = 1870 N/C (directed upward), d = 1.97 cm, and L = 6.20 cm. Will the electron strike one of the two plates? If yes, which plate will it stike and at what distance from the left edge?What is the electric field at a point that is 2.5 cm from a 85.0 m straight wire that is charged with 2.5 C/m in SI Base units?
- The spherical dielectric shell of inner radius a and outer radius b has the polarization vector P = k/r² r ̂ + Cosθθ ̂ within the dielectric.a) Find the bound charge densities.b) Find the E field in the r≤a, a≤r≤b and r> b regions.(I) Protons move in a circle of radius 6.10 cm in a 0.566-Tmagnetic field. What value of electric field could make theirpaths straight? In what direction must the electric field point?Find the electric field at the location of qa in the figure below, given that qb=qc=qd=+2.25 nC, q=-1.00nC, and the square is 17.0 cm on a side. (The +x axis is directed to the right.) a) What is the magnitude? ___ N/C b) What is the direction? ___ degrees counterclockwise from the +x axis