What I would like to suggest is to do a theoretical calculation:
You can estimate the induced voltage using Faraday's law. Knowing the
resistance of the coil, which you can measure, you can calcuate the
induced current.
Steven T. Ratliff
Professor of Physics
Northwestern College
3003 Snelling Ave. N.
St. Paul, MN 55113-1598
U. S. A.