CAPE Physics Unit 2 · 2019 · Paper 1 · Question Q27
Item 27 refers to the following circuit diagram.
In the diagram above, the current, I, flowing through the n-type semiconductor is mainly due to
- (A)holes moving from P to Q
- (B)electrons moving from P to Q
- (C)electrons moving from Q to P
- (D)holes moving from P to Q and electrons moving from Q to P
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