Assertion: magnetic field's direction | /r/HasProperty | observed
Facets:
value: by applying the right hand rule
type: MANNER
value: experimentally
type: DEGREE
value: by placing several small compass needles
type: MANNER
Source sentences:
text: The direction of the field lines can be observed experimentally by placing several small compass needles on a circle near the wire, as illustrated in Figure \(\PageIndex{3a}\).
text: If you make a loop of current carrying conductor, then the direction of the magnetic field is obtained by applying the Right Hand Rule to different points in the loop.