PHYS 2020: Prelab 7

Physics 2020 Students

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PRELAB QUESTIONS: (to be turned in upon arriving at lab)

Prelab on: Magnetism

1. Familiarize yourself with the introductory material on magnets (Giancoli, Chapter 20.1 through 20.3)

2. Read the lab thoroughly.

3. The metric (SI) unit of magnetic field is the Tesla. What is 1 Tesla in terms of the four basic SI units: meters, kg, seconds, and Coulombs? (Hint: you might use the by-now familiar formula for the force on a current carrying wire to deduce the answer.)


4. Describe briefly in the space below what the convention is for drawing magnetic field lines around a bar magnet. (Which way do they point, what do they "look like"? Describe briefly in your own words what you think these lines mean, what are they telling you, what information do they encode?) If you want to draw a sketch on the paper you turn in to your TA, that might be helpful.



Thanks for your time and efforts!

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