As shown in (Figure 1), metal sphere A has 4 units of negative charge and metal sphere B has 2 units of positive charge. The two spheres are brought into contact. Figure 1 of 1 Part A What is the final charge state of each sphere? Express your answers in units of charge separated by a comma. ΨΕΙ ΑΣΦ ? 9A, 9B = Submit Request Answer Provide Feedback
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- Four concentric spheres S, S2, S3, and S, are arranged as in the figure below and each charge in the figure has the same magnitude. What are the ratios of the electric flux through spheres S,. S3, and S, to the flux through sphere S,? HINT (b) Ф.Charge is distributed throughout a spherical volume of radius R with a density p = ar², where a is a constant (of unit C/m³, in case it matters). Determine the electric field due to the charge at points both inside and outside the sphere, following the next few steps outlined. Hint a. Determine the total amount of charge in the sphere. Hint for finding total charge Qencl = (Answer in terms of given quantities, a, R, and physical constants ke and/or Eg. Use underscore ("_") for subscripts, and spell out Greek letters.) b. What is the electric field outside the sphere? E(r> R) = c. What is the electric field inside the sphere? Hint for E within sphere #3 Question Help: Message instructor E(r < R) = Submit Question E с $ 4 R G Search or type URL % 5 T ^ MacBook Pro 6 Y & 7 U * 8 9 0 0P(0,0,2m) 2m 1m Ps () The 10 charge, the density shown in the figure in free space, is distributed along the disc m2 surface with an inner radius of 1m and an outer radius of 2m. According to this, 1. Find the total load on the disk. 2. If 1 µCa load of 2m above the axis of the load is placed, find the force that will affect this load.
- Problem 1: A spherical conductor is known to have a radius and a total charge of 10 cm and 20uC. If points Aand B are 15 cm and 5 cm from the center of the conductor, respectively. If a test charge, q = 25mC, is to bemoved from A to B, determine the following: c. The work done in moving the test chargeThe figure(Figure 1) shows a solid metal sphere at the center of a hollow metal sphere. Assume that E=1.6×10^4N/CE=1.6×10^4N/C. A - What is the total charge on the exterior of the inner sphere? Express your answer with the appropriate units. B - What is the total charge on the inside surface of the hollow sphere? Express your answer with the appropriate units. C - What is the total charge on the exterior surface of the hollow sphere? Express your answer with the appropriate units.The figure below is a cross section of three non . plates conductor of infinite width, where the charge is evenly distributed. 01 02 (1/2) L . 2L R 03 The charge density on the surface of each plate is 1 = - 3µC/m2, 2 =+ 5µC/m2 , 3 = - 5µC/m2 , and L = 2 cm. In vector notation, what is the field net electricity at points P and R?
- An infinitely long wire of linear charge density +3 nC/m is surrounded by a metallic shell of inner radius 4 cm and outer radius 5 cm. The metallic shell has a net linear charge density of +4 nC/m . (Figure 1) Figure 1 of 1 Thin Wire Metal Cylindrical Shell Anire AshelA charge q is placed in the cavity of a conductor as shown below. Will a charge outside the conductor experience an electric field due to the presence of q? The conductor in the preceding figure has an excess charge of -5.0 uC. If a 2.0 uC point charge is placed in the cavity, what is the net charge on the surface of the cavity and on the outer surface of the conductor?A line of charge of length L = 42 cm with charge Q = 430.0 nAies along the positive Y axis whose one end is at the origin O. A point charge q = 310.0 µClies on point P = (41, 21.0)Here the coordinates are given in centi-meters. a) Find the Electric field at Pdue to the rod. x component of E Give your answer to at least three significance digits. N/C y component of E Give your answer to at least three significance digits. N/C b)Find the charge density of the rod? why is it in C/mbut not in C/m?? Charge density Give your answer to at least three significance digits. C/m
- A ring of radius R has total charge Q. Part A At what distance along the z-axis is the electric field strength a maximum? Express your answer in terms of R. Submit ✓ √2 Part B E = Correct Previous Answers What is the electric field strength at this point? Express your answer in terms of the variables Q, R, and E. IVE ΑΣΦ Submit R k•Q• √√2 R² + R √√2 Previous Answers Request Answer ? X Incorrect; Try Again; 2 attempts remainingvt . A line of positive charge is formed into a semicircle of radius R as shown in the fig- ure to the right. The charge per unit length along the semicircle is given by A, and is constant. The total charge on the semicir- cle is Q. R (a) Determine the constant, A, in terms of the Coulomb constant k, total charge Q, and radius R. (b) What is the electric ficld, E (magnitude and direction), at the origin (the center of curvature)? Note: Recall that the arclength subtended by an angle 0 in radians along a circle of radius R is s = R0. Furthermore, you might find the following integral useful: "T/2 cos 0 do = 2. T/2Express 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.