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A solenoid with large number of turns is...

A solenoid with large number of turns is in a closed circuit and a short bar magnet is dropped through each with its length along the axis. State the acceleration of the falling magnet when it is :

a. Well above A b. At the end A
c. At the middle d. At the end B
e. Far away, down, from B

Text Solution

Verified by Experts

a. Acceleration due to gravity (g) b. Less than g by Lenz.s law.
c. Same as in (a) d. Less than g, by Lenz.s law.
e. Free from induction and hence `a=g`
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