DP Physics (last assessment 2024)
Question 22M.2.HL.TZ2.b.i
| Date | May 2022 | Marks available | [Maximum mark: 1] | Reference code | 22M.2.HL.TZ2.b.i |
| Level | HL | Paper | 2 | Time zone | TZ2 |
| Command term | State | Question number | b.i | Adapted from | N/A |
b.i.
[Maximum mark: 1]
22M.2.HL.TZ2.b.i
A cell is connected to an ideal voltmeter, a switch S and a resistor R. The resistance of R is 4.0 Ω.
When S is open the reading on the voltmeter is 12 V. When S is closed the voltmeter reads 8.0 V.
State the emf of the cell.
[1]
Markscheme
12 V ✓
