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Charges on Conductors

What is the e...

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What is the electric field at an axial distance x due to a uniformly charged circular disc with net charge Q and radius R.

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Q. A disc of radius

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Q. A disc of radius

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

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lying a distance

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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}}

Suppose we have a uniformly charged circular ring of radius

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. The electric field at a distance

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k = \frac{1}{4 π ϵ_{0}}

.

Q. A hollow metal sphere of radius

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Q. Assertion :For a non-uniformly charged thin circular ring with net charge zero, the electric field at any point on axis of the ring is zero. Reason: For a non-uniformly charged thin circular ring with net charge zero, the electric potential at each point on axis of the ring is zero.

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