A Segment of Wire of Total Length 3 $\mu$ T
B)49 $\mu$

question 145

Multiple Choice

A segment of wire of total length 3.0 m carries a 15-A current and is formed into a semicircle.Determine the magnitude of the magnetic field at the center of the circle along which the wire is placed.

• A)1.6 \(\mu\)T
• B)4.9\(\mu\)T
• C)1.0\(\mu\)T
• D)9.8 \(\mu\)T
• E)15\(\mu\)T

---

Definitions:

Dim Light

A low-intensity illumination that provides a subdued or soft light environment, often creating a calming or romantic atmosphere.

Colour Vision

The skill of the visual system in identifying objects according to the light wavelengths they emit, reflect, or allow to pass.

Pupil

The pupil is the adjustable opening in the center of the iris of the eye, through which light enters and is focused on the retina.

Iris

The colored ring of muscle around the pupil of the eye, responsible for controlling the size of the pupil and thus the amount of light reaching the retina.