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Chapter 29: Q. 21 (page 831)

What is the line integral of B鈫�between points i and f in FIGURE EX29.21?

Short Answer

Expert verified

The line integral will be 0.

Step by step solution

01

Given information

We have given, a current carrying wire in the magnetic field.

We have to find the line integral magnetic field from i to f.

02

Simplify

Using ampere's law of magnetic field ,

integral=鈭�ifB.鈫�ds鈫�=鈭�ifB.ds肠辞蝉胃

Since the magnetic field is perpendicular to the wire then,

cos(90)0=0

integral=鈭�ifB.ds肠辞蝉胃integral=0

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What is the line integral of B鈫�between points i and f in FIGURE EX29.20?
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