(1) An e.m.f. is induced in a conductor when the magnetic field surrounding it changes.
(2) The magnitude of the e.m.f. is proportional to the rate of change of the field.
(3) The sense of the induced e.m.f. depends on the direction of the rate of change of the field.

• nit
• NMR
• no-hair theorem
• nobelium
• nodal points
• node
• Noether's theorem
• noise
• nomogram
• non-Euclidean geometry
• non-Newtonian fluid
• nonequilibrium statistical mechanics
• nonequilibrium thermodynamics
• nonlinear optics
• nonmetal
• nonpolar compound
• nonrelativistic quantum theory
• nonrenormalization theorems
• nonstoichiometric compound
• normal
• normal modes
• normalizing
• not circuit
• note
• nova