Assertion: galvanometer's needle | /r/CapableOf | lie in the plane of the coil
Facets:
Source sentences:
text: Starting with the needle at rest in the plane of the coil, a current is passed through the coil deflecting the needle, the coil is swung around deflecting the needle still more, until the needle lies in the plane of the coil; the intensity of the current will then be in proportion to the sine of the angle through which the coil and needle move.