A bar magnet of length L is dropped inside a vertical copper pipe of length `l(l lt L)`, it will experience an acceleration q such that

Question

A bar magnet of length L is dropped inside a vertical copper pipe of length `l(l lt L)`, it will experience an acceleration q such that

A bar magnet of length L is dropped inside a vertical copper pipe of length `l(l lt L)`, it will experience an acceleration q such that
A. `q gt g`
B. `q=g`
C. `q lt g`
D. `q=lg//L`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Current induced in pipe opposes the approach of magnet so `q lt g`.

4 views Answered 2023-02-05 15:29