Question 22N.2.HL.TZ0.2c
| Date | November 2022 | Marks available | [Maximum mark: 2] | Reference code | 22N.2.HL.TZ0.2c |
| Level | HL | Paper | 2 | Time zone | TZ0 |
| Command term | Outline | Question number | c | Adapted from | N/A |
A solar heating panel is placed on the roof of a house in order to heat water in a storage tank. The rest of the roof is covered with tiles.
Another method of harnessing solar energy involves the use of photovoltaic cells.
Outline one advantage of the output of a photovoltaic cell compared to the output of a solar heating panel.
[2]
photovoltaic cells output electrical energy ✓
electrical is a more versatile form of energy ✓
Accept any reasonable advantage arising from the electrical output, .e.g., PV cells allow for the use of a long list of appliances, PV owners can sell excess power back to grid.
Accept electrical energy can be stored.
Do not accept references to efficiency for MP2.
This was well answered with some problems experienced to successfully identify an advantage.
