CBSE 2023 · Region 2 · Set 3 · Q4 · 1 mark
A semiconductor device is connected in series with a battery, an ammeter and a resisitor. A current flows in the circuit. If the polarity of the battery is reversed, the current in the circuit almost becomes zero. The device is a/an
Official answer
From CBSE’s own marking scheme for this paper.
(D)
p-n junction diode
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.