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NEST2023PhysicsElectrostatics

The electrostatic potential in the region between two long coaxial cylinders of radii a and b is given by = (r / a)+ , where and are constants. Here, 0 and r denotes radial distance from the axis such that a r b . Then, the correct option (s) is (are)

Options

  1. AThe charge per unit length on the inner cylinder is - (2 ₀ ) .
  2. BCapacitance per unit length is (b / a) / (2 ₀ ) .
  3. CThe charge density on the outer cylinder is - ( ₀ ) / b^2 .
  4. DThe electric field in the region between two cylinders is -( / r) r .

Correct answer

D. The electric field in the region between two cylinders is -( / r) r .

Step-by-step solution

No solution available.

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