Two identical 900 turn coils A and B lie in parallel plane. A current changing at the rate of 2500 A/s in A induces an emf of 20 V in B. (a) Calculate coefficient of coupling between the two coils (b) If the inductance of each coil is 25mH, calculate the flux produced in coil A per ampere.

Two identical 900 turn coils A and B lie in parallel plane. A current changing at the rate of 2500 A/s in A induces an emf of 20 V in B. (a) Calculate coefficient of coupling between the two coils (b) If the inductance of each coil is 25mH, calculate the flux produced in coil A per ampere.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

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Question

Two identical 900 turn coils A and B lie in parallel plane. A current changing at the rate of 2500 A/s in A induces an emf of 20 V in B.

(a) Calculate coefficient of coupling between the two coils

(b) If the inductance of each coil is 25mH, calculate the flux produced in coil A per ampere.

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