FIGURE 28-7 -Two Parallel Segments of Wire, of Length L = 0.8m

question 19

Multiple Choice

FIGURE 28-7
-Two parallel segments of wire, of length L = 0.8m are positioned a distance d = 1 m apart as shown in Fig. 28-7. Calculate the magnetic field at point P located half-way between the two segments. (Each segment carries and electric current I = 10 A in the directions indicated.)

• A)8 μT
• B)3 μT
• C)1 μT
• D)0.5μT

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Definitions:

Concave Lens

A lens that is thinner at the center than at the edges, commonly used to correct nearsightedness.

Far Point

The maximum distance at which the eye can see an object clearly without strain.

Near Point

The closest distance at which an object can be seen distinctly by the eye without blurring.

Oval Window

A membrane-covered opening that leads from the middle ear to the vestibule of the inner ear, where sound waves are transmitted to the cochlea.