1. Parallel Currents d L Current I1 produces a B-field I1 I2 B1 xxxx
This B-field exerts a force on current I2
(and vice versa)
What is the direction of force on I2 due to I1 ? (hint: use both right hand rules)
What is the magnitude of force on I2 due to I1 ? (hint: use both equations)

2. B I A
What is the direction of the magnetic field at points A and B due to the currents in the wires?
A B
Into screen Out of screen
Out of screen Into screen
No field Into screen
No field Out of screen

3. Force between Two Parallel Wires
Parallel currents attract; anti-parallel currents repel. F F

4. The magnetic field produced at the position of wire 2 due to the current
in wire 1 is:
The force this field exerts on a length L of wire 2 is:

5. The current in the top wire is larger then in the bottom wire.
Which force diagram represents the forces acting on the wires due to only the magnetic fields?
Construct a force diagram that represents the forces acting on the wires due to only the magnetic fields. 1 2 3