Quastion 4:A ferromagnetic core whose mean path length is 12x102 mwith a small gap of 3x104. The cross-sectional area of thecore is 40x104 m2, the relative permeability of the core is6000, and the coil of wire on the core has 700 turns.N= 700 turnsAssume that fringing in the air gap increases the effectivecross-sectional area of the air gap by 8%. Find:(a) the total reluctance of the flux path (iron plus air gap)(b) the current required to produce a flux density of 5.5 Tin the air gap.I= 3x10 mA- 40x10 mk = 12x10 m

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A ferromagnetic core whose mean path length is 12×102 m with a small gap of 3×104. The cross-sectional area of the core is 40x10 m?, the relative permeability of the core is 6000, and the coil of wire on the core has 700 turns. N=7 Assume that fringing in the air gap increases the effective cross-sectional area of the air gap by 8%. Find: (a) the total reluctance of the flux path (iron plus air gap) (b) the current required to produce a flux density of 5.5 T in the air gap.

A ferromagnetic core whose mean path length is 12×102 m with a small gap of 3×104. The cross-sectional area of the core is 40x10 m?, the relative permeability of the core is 6000, and the coil of wire on the core has 700 turns. N=7 Assume that fringing in the air gap increases the effective cross-sectional area of the air gap by 8%. Find: (a) the total reluctance of the flux path (iron plus air gap) (b) the current required to produce a flux density of 5.5 T in the air gap.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...

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