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Introducing Flux

A point charg...

Question

A point charge 'q' is placed at a distance 'l' from the centre of a disc of radius 'R' along its axis. The electric flux through the disc is

A

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B

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C

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D

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Solution

The correct option is B

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Similar questions

Q. A point charge

Q

is located on the axis of a disc of radius

R

b

from the plane of the disc. If one-fourth of the total electric flux from the charge passes through the disc, then choose the correct option.

Q. 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 = \sqrt{3}

Q. A disc of radius

R

is uniformly charged with total charge

Q

. Find the direction and magnitude of the electric field at the point

P

lying a distance

x

from the centre of the disc along the axis of symmetry of the disc. Given-

k = \frac{1}{4 π ϵ_{0}} σ = \frac{Q}{π R^{2}}

Q. The surface charge density of a thin charged disc of radius

R

σ

. The value of the electric field at the centre of the disc is

\frac{σ}{2 ϵ_{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.

Q. A point charge

Q

is located on the axis of a disc of radius

R

a

from the plane of the disc. If one fourth (1/4th) of the flux from the charge passes through the disc, the relation between

a

R

a = \frac{R}{\sqrt{x}}

x

.

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