A rectangular iron core shown in below figure has mean

Last updated: 6/7/2023

A rectangular iron core shown in below figure has mean length of a magnetic circuit of 100cm cross section of 2cm x 2cm and relative permittivity of 1450 A cut of size 5 mm in the core has been made The three coils A B and C on the core have number of turn NA 335 NB 600 and NC 600 and the respective current flowing are 1 5 A 4 A and 3 A The direction of currents are as shown Find the air gap flux neglecting fringing of flux 5 IA 1 5 A NA 335 Ic 3 AA Nc 600 5 mm NB 600 IB 4 A