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Consider the junction diode as ideal. The value of the current flowing through AB is

Asked in NEET 2016 (Phase I) · Circuits with diodes

• (1) 10⁻¹ A
• (2) 10⁻³ A
• (3) 0 A
• (4) 10⁻² A

Step-by-step solution

Why the other options are wrong

• (1) 10⁻¹ A is (10)/(100): the right numerator with the resistance read as 100 Ω instead of 1 kΩ.
• (2) 10⁻³ A is 1/(1000), which takes the potential difference as 1 V rather than 10 V.
• (3) 0 A would be right if the diode blocked, but with A at +4 V and B at -6 V the p-side is the higher, so it conducts.

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