Answered: 0 = 4 x 104 Wb Cross-sectional area =…

Engineering

Electrical Engineering

0 = 4 x 104 Wb Cross-sectional area = 0.01 m? N turns

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter14: Basic Trigonometry And Vectors

Section: Chapter Questions

Problem 10RQ

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Question

For the electromagnet of Figure-
a. Find the flux density in the core.
b. Sketch the magnetic flux lines and indicate their
direction.
c. Indicate the north and south poles of the magnet.

0 = 4 x 104 Wb
Cross-sectional
area = 0.01 m?
N turns

Expert Solution

Step 1

The magnetic flux density (B) is the ratio of magnetic flux (∅) to area of cross section (A) and given by:

Hence, the magnetic flux density is 0.04 Wbm^-2.

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