c) Now, the same magnet is held fixed and the coil is dropped from height H, Ass

Question

c) Now, the same magnet is held fixed and the coil is dropped from height H, Assume the coil falls so the magnet passes through the center. How will the graph compare to the original graph?
peak 1 will be the same as before, peak 2 will be moe than before
peak 1 will be slightly less than before, peak 2 will be moe than before
peak 1 will be the same as before, peak 2 will be slightly less than before
both peaks will be slightly less than before
peak 1 will be nearly zero, peak 2 will be moe than before
peak 1 will be the same as before, peak 2 will be the same as before
peak 1 will be slightly less than before, peak 2 will be zero
peak 1 will be nearly zero, peak 2 will be slightly less than before
both peaks will be the same as before
both peaks will be more than before
peak 1 will be nearly zero, peak 2 will be the same as before
peak 1 will be slightly less than before, peak 2 will be the same as before
both peaks will be nearly zero

d) Next: the original experiment is repeated on the Moon, where g, the acceleration due to gravity, is about one-sixth of g on Earth. If the magnet is dropped from height H, how will the graph compare to the original graph?
both peaks will be nearly zero
peak 1 will be the same as before, peak 2 will be the same as before
peak 1 will be slightly less than before, peak 2 will be the same as before
both peaks will be slightly less than before
both peaks will be the same as before
peak 1 will be slightly less than before, peak 2 will be zero
both peaks will be more than before
peak 1 will be nearly zero, peak 2 will be moe than before
peak 1 will be the same as before, peak 2 will be moe than before
peak 1 will be the same as before, peak 2 will be slightly less than before
peak 1 will be nearly zero, peak 2 will be the same as before
peak 1 will be slightly less than before, peak 2 will be moe than before
peak 1 will be nearly zero, peak 2 will be slightly less than before

Explanation / Answer

   both peaks will be more than before

   The speed at which magnet falls through the coil depends upon the height, as per    vf2   =   vi2 + 2 * g * H    i.e. grater is H greater is speed and hence greater is change in flux, which results in higher peaks.

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