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Physics · 2025 · 3 marks
Semiconductor Electronics: Materials, Devices and Simple CircuitsSemiconductor Diode3 marksApplyshort answer
CBSE 2025 · Region 1 · Set 1 · Q28
(a) Draw circuit arrangement for studying V-I characteristics of a p-n junction diode. (b) Show the shape of the characteristics of a diode. (c)…
(a)
Draw circuit arrangement for studying V-I characteristics of a p-n junction diode.
(b)
Show the shape of the characteristics of a diode.
(c)
Mention two information that you can get from these characteristics.
Marking-scheme solution
(a)
Circuit diagram for forward characteristics
Circuit diagram for Reverse characteristics
(b)
(c)
Any two informations
Knee voltage / reverse saturation current / Breakdown voltage / very low resistance in forward biasing / very high resistance in Reverse biasing.
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CBSE Class 12 Physics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.