Q20.Boolean relation at the output stage- Y for the following circuit is: (1) − − (2) A + B A + B (3) A ∙B (4) − − A ∙ B
What This Question Tests
This question tests the ability to analyze a simple logic circuit involving NOT and NAND gates, and derive the Boolean expression for its output using De Morgan's theorem.
Concepts Tested
Formulas Used
Y = (A̅ ⋅ B̅)̅
(A̅ ⋅ B̅)̅ = A + B (De Morgan's Theorem)
📚 NCERT Sections This Tests
14.2 — Which Of The Statements Given In Exercise 14.1 Is True For P-Type
Physics Class 12 · Chapter 14
14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.
14.1 — In An N-Type Silicon, Which Of The Following Statement Is True:
Physics Class 12 · Chapter 14
14.1 In an n-type silicon, which of the following statement is true: (a) Electrons are majority carriers and trivalent atoms are the dopants. (b) Electrons are minority carriers and pentavalent atoms are the dopants. (c) Holes are minority carriers and pentavalent atoms are the dopants. (d) Holes are majority carriers and trivalent atoms are the dopants.
3.2 — A Battery Of Emf 10 V And Internal Resistance 3 Ω Is Connected To A
Physics Class 11 · Chapter 3
3.2 A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor. If the current in the circuit is 0.5 A, what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?
📋 Question Details
- Chapter
- Semiconductor
- Topic
- Logic Gates
- Year
- 2020
- Shift
- 08 Jan Shift 1
- Q Number
- Q20
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 14: Semiconductor Electronics: Materials, Devices and Simple Circuits
More from this Chapter
Q74.At absolute zero, Si acts as (1) non metal (2) metal (3) insulator (4) none of these
Q75.The energy band gap is maximum in (1) metals (2) superconductors (3) insulators (4) semiconductors
Q76.The part of a transistor which is most heavily doped to produce large number of majority carriers is (1) emmiter (2) base (3) collector (4) can be any of the above three
Q46.A strip of copper and another of germanium are cooled from room temperature to 80 K. The resistance of (1) each of these decreases (2) copper strip increases and that of germanium decreases (3) copper strip decreases and that of germanium (4) each of these increases increases