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OAT Physics
Chapter 7 - Magnetism
Term | Definition |
---|---|
Magnetic fields are measured in | Tesla = E4 Gauss |
F | = qvB sin theta = mv^2/r |
If v and B are parallel | Force = 0 cuz sin 0 degrees = 0 |
If particle is negative, right hand rule | results are the opposite of the correct answer |
r | = mv/qB |
Current I | delta q/delta t in Ampere A; opposite of e- flow |
F (current) | = LIB |
B for straight wires | = mu I/2(pi)r |
B for circular loops | = mu I/2r |
Loop rule | fingers curl in direction of I and thumb = direction of B |