Assertion: clarinet's instrument | /r/CapableOf | use permanent magnet
Facets:
value: to create the stationary magnetic field
type: PURPOSE
Source sentences:
text: Definition: The instruments which use the permanent magnet for creating the stationary magnetic field between which the coil moves is known as the permanent magnet moving coil or PMMC instrument.
text: These instruments use permanent magnets to create the stationary magnetic field in the coils, and then it is used with the moving coil that is connected to the electric source for generating deflection torque according to the Fleming left-hand rule theory.