CAPE Physics Unit 2 · 2017 · Paper 1 · Question Q25
Item 25 refers to the following diagram. [Diagram showing a p-n junction with a depletion layer connected to a DC cell and switch S in reverse bias] When the switch S is closed, the depletion layer
- (A)widens
- (B)narrows
- (C)disappears
- (D)is unchanged
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