The cross section of a long coaxial cable is shown in the figure, with radii as

Question

The cross section of a long coaxial cable is shown in the figure, with radii as given. The linear charge density on the inner conductor is -10 nC/m and the linear charge density on the outer conductor is -70 nC/m. The inner and outer cylindrical surfaces are respectively denoted by A, B, C, and D, as shown. (? 0 = 8.85 The cross section of a long coaxial cable is shown in the figure, with radii as given. The linear charge density on the inner conductor is -10 nC/m and the linear charge density on the outer conductor is -70 nC/m. The inner and outer cylindrical surfaces are respectively denoted by A, B, C, and D, as shown. (? 0 = 8.85 The cross section of a long coaxial cable is shown in the figure, with radii as given. The linear charge density on the inner conductor is -10 nC/m and the linear charge density on the outer conductor is -70 nC/m. The inner and outer cylindrical surfaces are respectively denoted by A, B, C, and D, as shown. (? 0 = 8.85 times 10-12 C2/N middot m2) The radial component of the electric field at a point that 46 mm from the axis is closest to

Explanation / Answer

Electric Flux = ?E dot dA = Qencl/? 0

-2.7

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