Questions
An uncharged aluminum block has a cavity within it. The block is placed in a region where a uniform electric field is directed upward. Which of the following is a correct statement describing conditions in the interior of the block's cavity?
detailed solution
Correct option is C
Electric field is zero inside a metallic cavity if no charge is present in the cavity, whatever be the field outside.Talk to our academic expert!
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A shell made of a conductor has inner radius a and outer radius b. and it carries charge Q. A dipole of dipole moment is placed at its centre. Choose the correct alternative:
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