A point charge `Q` is located on the axis of disc of a radius `R` at a distance a from the plane of the disc . If one fourth `(1//4th)` of the flus from the charge passes through the disc, then find the relation between a `& R `.
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A point charge Q is located on the axis of a disc of radius R at a distance b from the plane of the disk. If one - fourth of the electric flux from the charge passes through the disk, then R = sqrt(kb) . Find k.

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. Show that if one-fourth of the electric flux from the charge passes through the disk, then R = sqrt(3b) .

A point charge Q is located on the axis of a disc of radius R at a distance b from the plane of the disc (figure). Show that if one-fourth of the electric flux from the charge passes through the disc, then R=sqrt3b .

A point charge Q is located on the axis of a disc of radius R at a distance b from the plane of the disc (figure). Show that if one-fourth of the electric flux from the charge passes through the disc, then R=sqrt3b .

A point charge Q is located on the axis of a disc of radius R at a distance b from the plane of the disc (figure). Show that if one-fourth of the electric flux from the charge passes through the disc, then R=sqrt3b .

A point charge q is located on the axis of a disc of radius R at a distance b from the plane of the disc as shown in figure 1.295 What should be the radius of the disc if one fourth of the total electric flux form the charge passes through the disc.

A point charge placed on the axis of a uniformly charged disc experiences a force f due to the disc. If the charge density on the disc sigma is, the electric flux through the disc, due to the point charge will be

A point charge placed on the axis of a uniformly charged disc experiences a force f due to the disc. If the charge density on the disc sigam is, the electric flux through the disc, due to the point charge will be