DP Physics (first assessment 2025)

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Question 21M.2.SL.TZ2.a

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Date May 2021 Marks available [Maximum mark: 2] Reference code 21M.2.SL.TZ2.a
Level SL Paper 2 Time zone TZ2
Command term Explain Question number a Adapted from N/A
a.
[Maximum mark: 2]
21M.2.SL.TZ2.a

Explain why the output potential difference to the external circuit and the output emf of the photovoltaic cell are different.

 

[2]

Markscheme

there is a potential difference across the internal resistance
OR
there is energy/power dissipated in the internal resistance ✓

when there is current «in the cell»/as charge flows «through the cell» ✓


Allow full credit for answer based on V=ε-Ir

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