A uniformly charged rod with length 1.27 m and line charge density 6.39 nC/m is bent to form one quadrant of a circle. What is the magntiude of the electric field at the center of the circle?
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- Four charged particles are located at the corners of a square of side length a = 30.0 cm, as shown. The unit charge q =+10.0μC. (a) What is the magnitude and direction of the electric field at the lower left corner?In the figure the four particles form a square of edge length a = 5.00 cm and have charges q1 = 9.04 nC, q2 = -21.0 nC, 93 = 21.0 nC, and 94 = -9.04 nC. What is the magnitude of the net electric field produced by the particles at the square's center?Charge is distributed uniformly throughout the volume of a large insulating cylinder of radius 25.1 cm. The charge per unit length in the cylindrical volume is 13.9 nC/m. Determine the magnitude of the electric field at a distance 14.4 cm from the central axis.
- The figure below shows three small, charged beads, all lying along the horizontal axis. Bead A, at left, has a 6.55 nC charge. Bead B has a 1.64 nC charge and is 3.00 cm to the right of A. Bead C has a -2.75 nC charge and is 2.00 cm to the right of B. What is the magnitude (in N/C) of the electric field at a point 2.00 cm to the right of A? Submit your answer in exponential form with two decimal places. You are required to show your work in the file you submit. 9₁ + 3.00 cm 9B +. ac 2.00 cm- MA spherical conducting sphere of radius R = 10 cm has total excess charge Q. What is the electric field outside the sphere?A square plate of copper with 55.0 cm sides has no net charge and is placed in a region of uniform electric field of 75.0 kN/C directed perpendicularly to the plate. (a) Find the charge density of each face of the plate. |nC/m² nC/m? (b) Find the total charge on each face. nC nC
- The electric field 0.310 mm from a very long uniform line of charge is 780 N/C. How much charge is contained in a section of the line of length 2.80 cm?At what distance along the central axis of a uniformly charged plastic disk of radius R = 1.31 m is the magnitude of the electric field equal to 1/3 times the magnitude of the field at the center of the surface of the disk?A penny is in an external electric field of magnitude 2.5 kN/C directed perpendicular to its faces. (a) Find the charge density on each face of the penny, assuming the faces are planes. nc/m2 (b) If the radius of the penny is 1 cm, find the total charge on one face. pC
- + a + A hollow sphere has a uniform volume charge density of 1.46 nC/m3. The inner radius is a = 11.7 cm and the outer radius is b = 46.8 cm. What is the magnitude of the electric field at 4.68 cm from the center of the sphere? What is the magnitude of the electric field at 145 cm from the center of the sphere?A cylindrical metal rod of radius 7.7 cm and length 291 cm is uniformly charged. The mag- nitude of the electric field at a point located at distance 22 cm from its axis is 52400 N/C. What is the net charge on the metal rod? The Coulomb constant is 8.99 x 109 Nm²/C². 1. 1.36737 x 10-6 2. 2.62325 x 10 -6 3. 2.17308 x 10-6 4. 1.86577 x 10-6 5. 1.79526 x 10-6 6. 1.89852 x 10-6 7. 2.80164 x 10-6 8. 2.13835 x 10-6 9. 2.31838 x 107 10. 1.3007 x 10-6 Answer in units of C.