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Amateur Extra Class (Element 4) • 2024-2028

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Question E7D07

From subelement E7 - E7D

E7D07
Answer: A

What is the purpose of C2 in the circuit shown in Figure E7-2?

AIt bypasses rectifier output ripple around D1
BIt is a brute force filter for the output
CTo prevent self-oscillation
DTo provide fixed DC bias for Q1