Author Question: Three long parallel wires each carry 2.0-A currents in the same direction. The wires are oriented ... (Read 234 times)

burchfield96 · **on:** Jul 29, 2018

Three long parallel wires each carry 2.0-A currents in the same direction. The wires are oriented vertically, and they pass through three of the corners of a horizontal square of side 4.0 cm.

What is the magnitude of the magnetic field at the fourth (unoccupied) corner of the square due to these wires? (0 = 4 10-7 T m/A)
A) 1.2 T
B) 2.1 T
C) 12 T
D) 21 T
E) 0 T

Question 2

What is the atomic number of a neutral atom that has an electron configuration of 1s2 2s2 2p6 3s2 3p2?

A) 5
B) 11
C) 14
D) 20