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| 184_notes:examples:week12_force_loop_magnetic_field [2018/07/19 13:33] – curdemma | 184_notes:examples:week12_force_loop_magnetic_field [2021/07/13 12:24] – schram45 | ||
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| ===Approximations & Assumptions=== | ===Approximations & Assumptions=== | ||
| - | * The current is in a steady state. | + | * The current is in a steady state: This means the current in our loop is not changing with time or space, and is just a constant. |
| - | * The magnetic field does not change. | + | * The magnetic field does not change: This removes any time or space dependency on our magnetic field. Assuming it constant in magnitude and direction across each segment of wire. Depending on what is producing this magnetic field, this could change the accuracy of this assumption. |
| - | * There are no outside forces to consider. | + | * There are no outside forces to consider: We are not told anything about the mass of the wire or anything else that could produce a force on the loop. To simplify our model we will assume there are no outside forces like gravity, or other external magnetic fields acting on our loop. |
| + | * The current in the loop goes counterclockwise: | ||
| ===Representations=== | ===Representations=== | ||