AAI ATC Junior Executive 25 Mar 2021 Shift 1 Paper

Question : 119 of 120

Marks: +1, -0

A point charge Q is located on the axis of a disk of radius R at a distance b from the plane of the disk as shown in below figure. Find the value of R, if

\;{1}/{4}th

of the electric flux from the charge passes through the disk?

${√{3}}b$
${√{3π }}b$
${√{2π }}b$
${√{2}}b$

Validate

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