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Levels Tought:
Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Apr 2017 |
| Last Sign in: | 327 Weeks Ago, 4 Days Ago |
| Questions Answered: | 12843 |
| Tutorials Posted: | 12834 |
MBA, Ph.D in Management
Harvard university
Feb-1997 - Aug-2003
Professor
Strayer University
Jan-2007 - Present
Electromagnet
1 How many paper clips did the wire wrapped around the nail just a few times pick up? 2 Which electromagnet design was most successful in picking up the most paper clips? 3 Would wrapping the wire more times around the nail make the electromagnet stronger or weaker? 4 What do you think the result would be if an iron nail that was much thicker was used? 5 What do you think would happen if a wooden stick was chosen as the core instead of the iron nail?
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