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MHT CET Physics question

PhysicsElectric Charges and FieldsMHT CET

For a point situated at a distance 20 cm from the axis of a long cylindrical charged conductor, the electric intensity is 0.4 N/C. The electric intensity at another point situated at 40 cm from the axis is

Answer: (C)

Solution

For a long cylinder , so doubling the distance halves the field: ; 0.1 N/C

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Question ID VK-075662