Each of two parallel horizontal wires, running east–west and separated by 3.0 m, has a current of 1.2 A. Calculate the magnitude and direction of the magnetic field midway between the two wires if
(a)the current is directed east in wire 1 , west in wire 2 (b) the currents in both wires are directed east

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom