A current of is passed through a straight wire of length

PHYSICS · Single correct · AP · Physics C: Electricity and Magnetism · Magnetic Fields and Electromagnetism · Magnetic Fields and Electromagnetism

Problem

A current of

50\,\text{A}

is passed through a straight wire of length

6\,\text{cm}

. The magnetic induction at a point

5\,\text{cm}

from either end of the wire is

\left(1\,\text{gauss}=10^{-4}\,\text{T}\right)

: (a)

2.5\,\text{gauss}

(b)

1.25\,\text{gauss}

(c)

1.5\,\text{gauss}

(d)

3.0\,\text{gauss}