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Transcribed Image Text:2. A circular ring of radius r made of a nonconducting
material is placed with its axis parallel to a uniform
electric field. The ring is rotated about a diameter
through 180°. Does the flux of electric field change ? If
yes, does it decrease or increase ?
3. A charge Q is uniformly distributed on a thin spherical
shell. What is the field at the centre of the shell ? If a
point charge is brought close to the shell, will the field
at the centre change ? Does your answer depend on
whether the shell is conducting or nonconducting ?
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