DP Physics (last assessment 2024)
Question 18M.2.SL.TZ1.b
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.2.SL.TZ1.b |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | Calculate | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 1]
18M.2.SL.TZ1.b
An electron moves in circular motion in a uniform magnetic field.
The velocity of the electron at point P is 6.8 × 105 m s–1 in the direction shown.
The magnitude of the magnetic field is 8.5 T.
Calculate, in N, the magnitude of the magnetic force acting on the electron.
[1]
Markscheme
1.60 × 10–19 × 6.8 × 105 × 8.5 = 9.2 × 10–13 «N»
[1 mark]
