Author Question: Two long parallel wires carry currents of 10 A in opposite directions. They are separated by 40 cm. ... (Read 230 times)

kshipps · **on:** Jul 29, 2018

Two long parallel wires carry currents of 10 A in opposite directions. They are separated by 40 cm. What is the magnetic field in the plane of the wires at a point that is 20 cm from one wire and 60 cm from the other?

A)

1.5 10-6 T
B)

3.3 10-6 T
C)

6.7 10-6 T
D)

3.3 10-5 T
E)

6.7 10-5 T

Question 2

Two long parallel wires carry currents of 20 A and 5.0 A in opposite directions. The wires are separated by 0.20 m. What is the magnetic field midway between the two wires?

A)

1.0 10-5 T
B)

2.0 10-5 T
C)

3.0 10-5 T
D)

4.0 10-5 T
E)

5.0 10-5 T