QUESTION 3 [12] A ring has a diameter of 21 cm and a cross-sectional area of 10 cm². The ring is made up of semicircular
Posted: Thu May 26, 2022 10:51 am
QUESTION 3 [12] A ring has a diameter of 21 cm and a cross-sectional area of 10 cm². The ring is made up of semicircular sections of cast steel, with each joint having a relactance equal to an air-gap of 0.2mm. Find the ampere-turns required to produce a flux of 8x10Wb. The relative permeability's of cast steel and cast iron are 800 and 166 respectively.