Assertion: magnetic field's direction | /r/HasProperty | determined
Facets:
value: by drawing a circle
type: MANNER
value: next
type: OTHER
value: from north
type: LOCATION
Source sentences:
text: The direction of such a magnetic field can be determined by using the "right-hand grip rule" (see figure at right).
text: Most map coordinate systems are based on true north, and magnetic declination is often shown on map legends so that the direction of true north can be determined from north as indicated by a compass.
text: Next, the direction of each magnetic field’s contribution is determined by drawing a circle centered at the point of the wire and out toward the desired point.
text: It is important to know the magnetic declination when using a compass to navigate so that the direction of True North can be determined.