Two concentric conducting spherical shells each have a net charge of +1 C and all charges remain at rest. The charge on the outer surface of the outer shell is +1 C. The outer surface of the outer shell is at a potential of +2 V. The inner surface of the inner shell is at a potential of. _V.
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Q: I need help on question 11?
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Q: I need help on question 11?
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- A rod of length L = 0.65 m is placed along the x-axis with its center at the origin. The rod has a non-uniform linear charge density of λ = k|x| C/m, where k = 5.15E-12 C/m2 is a constant factor. What is the value of the potential at the point (0, yob) in volts if yob = 4.5 m?A small object with a mass of 270 μg carries a charge of 20.0 nC and is suspended by a thread between the vertical plates of a parallel-plate capacitor. The plates are separated by 5.00 cm. If the thread makes an angle of 13.0° with the vertical, what is the potential difference between the plates? VThe problem: Two charges are a distance 2r apart. Determine an expression for the potential the three locations (I, II and III) that are a distance of r from each of the charges along the axis. * r The solution: -q 2r V₁ Fix any mistakes in the solution. = VII = VIII = +q k(-q) r2 r k(-q), k(q) 3k(q) + 72 (2r)² 4r² + k(q) (2r)² k(-q) k(q) + (2r)² r2 = III = 3k(q) 4r² -3k(q) 4r²
- A 0.500 cm diameter plastic sphere, used in a staticelectricity demonstration, has a uniformly distributed 40.0 pC charge on its surface. What is the potential near its surface?A 0.53-cm-diameter plastic sphere, used in a static electricity demonstration, has a uniformly distributed 36-pC charge on its surface. What is the potential near its surface?I need help on question 10?
- The figure below shows the equipotential surfaces of an electric dipole in the xy-plane. The x and y scales are in units of meter. The charge on the left is positive. Each color change represents a a change in the potential of 5 V. Estimate the magnitude and direction of the electric field in units of V/m N/C at x 13.5 m, y = 13.5 m. = 24.5 22.5 20.5 18.5 16.5 14.5 12.5 10.5 8.5 6.5 4.5 2.5 0.5 0.5 2.5 4.5 6.5 8.5 10.5 12.5 14.5 16.5 18.5 20.5 22.5 24.5Where is the Potential Zero? Two point charges are fixed in place. The positive charge is +2q and the negative charge is -q. On the line that passes through the charges, how many places are there at which the total potential is zero? P3 P2 P1 -9 +2qFour positive charges (+20 microC each) are to be arranged at the corners of a square of side d = 0.5m. d + + d + b) What is the potential at the center of the square? (KV = kilovolts) %3D