A flat coil of turns and radius carries a current of

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism

Problem

A flat coil of

N=200

turns and radius

5\,\text{cm}

carries a current of

1.5\,\text{A}

. Calculate the magnetic field at the centre of the coil. (a)

7.5\,\text{mT}

(b)

0.38\,\text{mT}

(c)

3.8\,\text{mT}

(d)

1.9\,\text{mT}