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MHT CET Physics question

PhysicsElectric Charges and FieldsMHT CET

A long cylindrical conductor of diameter 1 cm situated in air carries a charge of 10 C/m. The electric intensity at a distance of 1.5 cm from its surface is :

Answer: (B)

Solution

Distance from the axis cm, so \dfrac{2kλ}{r}\dfrac{2×9×10^9×10^{-5}}{0.02}$ =

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Question ID VK-075247