A circular ring has a mean diameter of 20 cm and a cross sectional area of 25 sq. cm. It is wound with a coil of 1000 turns. The ring contains an air gap 1 mm long. What is the flux passing the core if a current of 3 A flows in the coil? Permeability of iron core is 200.

A circular ring has a mean diameter of 20 cm and a cross sectional area of 25 sq. cm. It is wound with a coil of 1000 turns. The ring contains an air gap 1 mm long. What is the flux passing the core if a current of 3 A flows in the coil? Permeability of iron core is 200.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.7MCQ: Consider Figure 3.5. Match the following, those on the left to those on the right. (i) Im (a)...

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A circular ring has a mean diameter of 20 cm and a cross sectional area
of 25 sq. cm. It is wound with a coil of 1000 turns. The ring contains an
air gap 1 mm long. What is the flux passing the core if a current of 3 A
flows in the coil? Permeability of iron core is 200.

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