The Table gives information about four wires, A, B, C and D. Each wire is at right angles to a magnetic field.
All directions are as seen on the page.
Table
| Wire | Direction of current | Direction of magnetic field | Direction of force on wire |
|---|---|---|---|
| A | into the page | from left to right | |
| B | out of the page | to the left | |
| C | out of the page | upwards | |
| D | to the right | into the page |
Complete the Table.
A beam of electrons moves from left to right across the page. The beam passes through a magnetic field that acts into the page.
Determine the direction of the force on the beam.
Give a reason for your answer.