DP Physics (last assessment 2024)
Question 21N.2.SL.TZ0.c.ii
| Date | November 2021 | Marks available | [Maximum mark: 2] | Reference code | 21N.2.SL.TZ0.c.ii |
| Level | SL | Paper | 2 | Time zone | TZ0 |
| Command term | Determine | Question number | c.ii | Adapted from | N/A |
c.ii.
[Maximum mark: 2]
21N.2.SL.TZ0.c.ii
The diagram shows two parallel wires X and Y that carry equal currents into the page.
Point Q is equidistant from the two wires. The magnetic field at Q due to wire X alone is 15 mT.
Determine the magnitude and direction of the resultant magnetic field at Q.
[2]
Markscheme
«using components or Pythagoras to get» B = 21 «mT» ✓
directed «horizontally» to the right ✓
If no unit seen, assume mT.
