What is the formula for the flux density for the PM motors? a) flux density = residual flux density / 1 + (1.11/permeance coefficient) b) flux density = residual flux density * 1 + (1.11/permeance coefficient) c) flux density = residual flux density / 1 + (1.11*permeance coefficient) d) flux density = residual flux density * 1 + (1.11*permeance coefficient)
shivam guptaBeginner