Assertion: galvanometer's needle | /r/AtLocation | the coil
Facets:
Source sentences:
text: If the coil's movement is opposed by a coil spring, then the amount of deflection of a needle attached to the coil may be proportional to the current passing through the coil.
text: Essentially, a galvanometer consists of such a needle attached to a coil mounted so that the coil is allowed to pivot freely within a magnetic field created by the poles of one or more permanent magnets.
text: If the coil’s movement is opposed by a coil spring, then the amount of deflection of a needle attached to the coil may be proportional to the current passing through the coil.