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If each diode has a forward bias resistance of 25  in the below circuit, D 1 D 2 D 3 I 4 I 3 I 2 I 1 125  125  125  25  5V Which of the following options is correct?

1. 2 1 I I = 1
2. 3 2 I I = 1
3. 2 1 I I = 2
4. 4 3 I I = 1

Correct answer: 2 1 I I = 2

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