Identify the forward or reverse biased diode in given circuit figures

This type of question, asked 4 times: 12 May 2024 S2, 25 Apr 2025 S1, 18 Apr 2026 S1, 13 May 2026 S2. All 4 questions below, oldest first.

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Question 1
12 May 2024 S2
2 $In which figure, the junction diode is forward biased?$
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Question 2
25 Apr 2025 S1
47 $In which of the following figures, the p.n. junction diode is reverse biased? (A) (B) (C) (D)$
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Question 3
18 Apr 2026 S1
150 $A diode and resistance are connected as shown in figures. Out of the following statements, which one is true? Diode in A) fig (1) and fig (2) are both forward biased. B) fig (1) and fig (2) are both reverse biased. C) fig (1) is forward biased and in fig (2) is reverse biased. D) fig (1) is reverse biased and in fig (2) is forward biased.$
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Question 4
13 May 2026 S2
150 $The forward biased diode connection is$
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Question 1