The surface charge density of a thin charged disc of radius R is \sigma. The value of the electric field at the centre of the disc is \sigma/{2∊_0} . With respect to the field at the centre, the electric field along the axis at a distance R from the centre of the disc

Correct Answer is : reduces by 70.7%

BITSAT 2016 Paper

Section: Physics

Question : 3 of 150

Marks: +1, -0

The surface charge density of a thin charged disc of radius R is σ. The value of the electric field at the centre of the disc is

2∊0

. With respect to the field at the centre, the electric field along the axis at a distance R from the centre of the disc

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