A straight conductor runs along the central axis of a plastic tube

PHYSICS · Single correct · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

A straight conductor runs along the central axis of a plastic tube. A Hall probe placed

5.0\,\text{mm}

from the conductor inside the tube reads

350\,\text{mG}

(milligauss). What is the current in the conductor? (a)

1.8\,\text{A}

(b)

0.88\,\text{A}

(c)

0.088\,\text{A}

(d)

8.8\,\text{A}