AP EAMCET · PHYSICS · Semiconductors
In a common emitter amplifier, a.c. current gain is 40 and input resistance is \(2 k \Omega\). The load resistance is given as 1 \(10 \mathrm{k} \Omega\). Then the voltage gain is
- A 52
- B 125
- C 178
- D 200
Answer & Solution
Correct Answer
(D) 200
Step-by-step Solution
Detailed explanation
For CE amplifier,…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- The electric field in \(\mathrm{NC}^{-1}\) of an electromagnetic wave is \(\mathrm{E}=36 \sqrt{\pi} \operatorname{Sin}(\omega \mathrm{t}-\mathrm{kx})\). The average energy density of the electromagnetic wave due to the electric field is \(\left(\frac{1}{4 \pi \varepsilon_0}=9 \times 10^9 \mathrm{Nm}^2 \mathrm{C}^{-2}\right)\)AP EAMCET 2023 Easy
- The values of \(\mathrm{Y}\) and \(\mathrm{Z}\) in the given logic circuit are
AP EAMCET 2022 Easy - An electric motor exerts a force of \(50 \mathrm{~N}\) on a a cable and pulls it through \(60 \mathrm{~m}\) in \(1 \mathrm{~min}\). The power supplied by the motor isAP EAMCET 2020 Medium
- One end of a spring of force constant 150 dyne \(\mathrm{cm}^{-1}\) is connected to a block of mass \(0.2 \mathrm{~kg}\) kept on a rough horizontal surface of coefficient of friction 0.3 . The other end of the spring is connected to a rigid support as shown in the figure and the spring is initially undeformed. The maximum velocity \(\mathrm{v}\) that can be given to the block so that it travels only in one direction is ____ \(\mathrm{ms}^{-1}\). (Acceleration due to gravity \(=10 \mathrm{~ms}^{-2}\))
AP EAMCET 2017 Medium - Four capacitors with capacitances , and are connected as shown and are connected to a volt source. The potential difference between points and is:
AP EAMCET 2021 Medium - For the resultant of two vectors \(\mathbf{A}\) and \(\mathbf{B}\) to maximum, the angle between them should beAP EAMCET 2021 Easy
More PYQs from AP EAMCET
- In a binomial distribution, if \(\mathrm{n}=4\) and \(\mathrm{P}(\mathrm{X}=0)=\frac{16}{81}\), then \(\mathrm{P}(\mathrm{X}=4)=\)AP EAMCET 2025 Medium
- The correct order of boiling points of the compounds given below is-
A) Methoxy ethane
B) Propan-1-ol
C) Propanal
D) PropanoneAP EAMCET 2025 Medium - The sum of the non-real roots of \(\left(p^2+p-3\right)\left(p^2+p-2\right)-12=0\) isAP EAMCET 2018 Easy
- If the line \(3 x-2 y+6=0\) meets \(X\)-axis and \(Y\)-axis, respectively at \(A\) and \(B\), then the equation of the circle with radius \(A B\) and centre at \(A\) isAP EAMCET 2004 Medium
- The equilibrium constant for the reaction
\(\mathrm{SO}_2(g)+\frac{1}{2} \mathrm{O}_2(g) \rightleftharpoons \mathrm{SO}_3(g)\) is \(5 \times 10^{-2}\) atm.
The equilibrium constant of the reaction
\(2 \mathrm{SO}_3(g) \rightleftharpoons 2 \mathrm{SO}_2(g)+\mathrm{O}_2(g)\) would beAP EAMCET 2007 Easy - The length of the common chord of the two circles \(x^2+y^2-4 y=0\) and \(x^2+y^2-8 x\) \(-4 y+11=0\), isAP EAMCET 2014 Medium