x=+2L x=0 x=+L A non-conducting rod is along the x-axis between x=0 and x=+L. The linear charge density of the rod is given by 1 = Ax, where A is a constant. Which of the followings are true for this system? I. The unit of A may be C/m. AL² II. The total charge of the rod is 2 A III. The electric field strength at P is (1 – In(2)) 4TE0 A (In(4) – 1) IV. The electric field strength at P is 4πεο

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A hollow metal sphere has 6 cm and 9 cm inner and outer radii, respectively, with a point charge at its center. The surface charge density on the inside surface is -200 nC/m². The surface charge density on the exterior surface is +200 nC/m². ▼ Part C Outward Submit E = Inward The field is zero Part D Correct What is the strength of the electric field at point 8 cm from the center? Express your answer as an integer and include the appropriate units. Submit Previous Answers Value Outward O Inward Submit Request Answer What is the direction of the electric field at point 8 cm from the center? OThe field is zero Units Request Answer ?