Difference between revisions of "HEDP notes"
		
		
		
		
		
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| Line 5: | Line 5: | ||
*magnetic field produced by single wire (ampere law)  | *magnetic field produced by single wire (ampere law)  | ||
| − | <math>P_{magnetic} = I(  | + | |
| + | <math>P_{magnetic} = I(A)/5r(cm)</math>  | ||