1
CBSE 12th Physics Delhi Set 1 - 2024
Subjective
+3
-0
(a) Explain the characteristics of a $p-n$ junction diode that makes it suitable for its use as a rectifier.
(b) With the help of a circuit diagram, explain the working of a full wave rectifier.
2
CBSE 12th Physics Delhi Set 1 - 2024
Subjective
+3
-0
Explain the following, giving reasons:
(a) A doped semiconductor is electrically neutral.
(b) In a $p$ - $n$ junction under equilibrium, there is no net current.
(c) In a diode, the reverse current is practically not dependent on the applied voltage.
Questions Asked from Semiconductor (Marks 3)
Number in Brackets after Paper Indicates No. of Questions
Class 12 Subjects
Physics
Electromagnetism
Electrostatics Current Electricity Capacitor Magnetic Effect of Current Magnetic Properties of Matter Electromagnetic Induction Alternating Current Electromagnetic Waves
Optics
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Relations and Functions
Calculus
Continuity and Differentiability Application of Derivatives Indefinite Integration Definite Integration Application of Integration Differential Equations
Algebra