Q27.The ratio (R) of output resistance r0, and the input resistance ri in measurements of input and output characteristics of a transistor is typically in the range : JEE Main 2016 (10 Apr Online) JEE Main Previous Year Paper (1) R~102 −103 (2) R~1 −10 (3) R~0.1 −1.0 (4) R~0.1 −0.01
What This Question Tests
This conceptual question tests the factual knowledge of the typical range for the ratio of output resistance to input resistance in a common emitter transistor configuration.
Concepts Tested
Formulas Used
R_out = ΔV_CE / ΔI_C
R_in = ΔV_BE / ΔI_B
📚 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
- Transistor characteristics
- Year
- 2016
- Shift
- 10 Apr Online
- Q Number
- Q27
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 14: Semiconductor Electronics
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