Midterm Solutions
Midterm Solutions
Physics 314 1.
a)
J=
Professor Mallinckrodt
I I = 2 2 ! ( 2a ) " ! a 2 3! a
b) Exploit the symmetry by applying Ampere’s law to coaxial circular paths and find that B ( r ) = current through a coaxial circular path of radius r. Thus find B
$ 0 , r
Physics 314 1.
a)
J=
Professor Mallinckrodt
I I = 2 2 ! ( 2a ) " ! a 2 3! a
b) Exploit the symmetry by applying Ampere’s law to coaxial circular paths and find that B ( r ) = current through a coaxial circular path of radius r. Thus find B
$ 0 , r
