A Circular Loop of Wire 1 $\mu$ T
E)48 $\mu$ T

Multiple Choice

A circular loop of wire 1.0 cm in radius carries a current of 30 A.The magnetic field at the center of the loop is

A) 1.9 mT
B) 2.4 mT
C) 3.8 mT
D) 12 $\mu$ T
E) 48 $\mu$ T