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MHT CET2009PhysicsElectrostatics

If the linear charge density of a cylinder is 4 Cm ⁻¹ then electric field intensity at point 3.6 ~cm from axis is

Options

  1. A4 10⁵ NC ⁻¹
  2. B2 10⁶ NC ⁻¹
  3. C8 10⁷ NC ⁻¹
  4. D12 10⁷ NC ⁻¹

Correct answer

B. 2 10⁶ NC ⁻¹

Step-by-step solution

For a charged cylinder aligned E &= 2 ₀ r = 4 10⁻⁶ 18 10⁹ 3.6 10⁻² &=2 10⁶ NC ⁻¹ aligned

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