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Question
A charge q (> 0) moves towards the centre of a circular loop of radius R along its axis. The magnitude of B along the periphery of the loop is ______.
Options
zero
`mu_0/(4pi)"qvR"/(sqrt(("R"^2+x^2)^3))`
`"qvR"/(sqrt("R"^2+x^2))`
None of these
MCQ
Fill in the Blanks
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Solution
A charge q (> 0) moves towards the centre of a circular loop of radius R along its axis. The magnitude of B along the periphery of the loop is `underlinebb(mu_0/(4pi)"qvR"/(sqrt(("R"^2+x^2)^3)))`.
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