Ask Question, Ask an Expert


Ask Electrical & Electronics Expert

1) A 230V, 60Hz voltage is applied to the primary of a 5:1 step down, center-tap transformer used in a full wave rectifier with a load of 900?.  If the diode resistance and secondary coil resistance together has a resistance of 100?. Find:

i) Dc voltage across road.

ii) Dc current through load.

ii) Dc power delivered to load.

iv) PIV across every diode.

v) Ripple voltage.

vi) Frequency of ripple voltage.

2) describe the function of the Transistor series and Transistor shunt type voltage regulator with essential diagram.

3) Deduce an expression for the stability factor of four kinds of transistor biasing circuit.

4) The specifications of the common emitter amplifier circuit is given below, h11 = 3.5K?, h12= 1.3×10-4 Rs=1K?, RL=3.6K?. Determine the voltage gain (AV) and Current gain (AI), Input impedance (Zin ), Output impedance(ZO ) using H- Parameters.

5) describe the operation of RC coupled amplifier and the frequency response with neat circuit diagram.

6) Describe the operation of class B push-pull amplifier with help of suitable circuit diagram and derive the efficiency of it.

7) Describe about the benefits and drawbacks of negative feedback amplifier. describe in detail.

8) describe the operation of Hartley oscillator with the help of appropriate circuit diagram and deduce the frequency of oscillation.

9) Describe the working of capacitance coupled single tuned amplifier with essential diagrams.

10) prepare a brief notes on the following:

a) Stagger tuned amplifier

b) Neutralization

c) Unilateralization

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M913273

Have any Question? 

Related Questions in Electrical & Electronics

1 discuss the solutions for the transmission-line equations

1. Discuss the solutions for the transmission-line equations in frequency domain. 2. Discuss the propagation constant and characteristic impedance associated with wave propagation on transmission lines. 3. What is the bo ...

1 state amperes circuital law2 what are the units of the

1. State Ampere's circuital law. 2. What are the units of the magnetic field intensity vector? 3. What are the units of the displacement flux density vector? 4. What is displacement current? Give an example involving dis ...

1 find two differential length vectors tangential to the

1. Find two differential length vectors tangential to the surface at the point (2, 4, 1) and then find a unit vector normal to the surface at that point. 2. A hemispherical bowl of radius 2 m lies with its base on the xy ...

1 distinguish message authentication and entity

1. Distinguish message authentication and entity authentication. 2. Alice signs the message she sends to Bob to prove that she is the sender of the message. Which of the following keys does Alice need to use? a. Alice's ...

1 show the outline of a routing table for pastry with

1. Show the outline of a routing table for Pastry with address space of 16 and b = 2. Give some possible entries for each cell in the routing table of Node N21. 2. In a Pastry network using DHT, in which m = 4 and b = 2, ...

1 discuss the application of the directional receiving

1. Discuss the application of the directional receiving properties of a loop antenna in the location of the source of a radio signal. 2. How is the effective area of a receiving antenna defined? 3. Outline the derivation ...

1 define wavelength how is it related to the phase

1. Define wavelength. How is it related to the phase constant? 2. What is the relationship between frequency, wavelength, and phase velocity? What is the wavelength in free space for a frequency of 15 MHz? 3. What is the ...

1 when is it meaningful to attribute a group velocity to a

1. When is it meaningful to attribute a group velocity to a signal comprised of more than two frequencies? Why? 2. Discuss the propagation of a narrow-band amplitude modulated signal in a dispersive channel. 3. Discuss t ...

A voltage source vt 100 cos2pi50 t v is applied to a

A voltage source v(t) = 100 cos(2π50 t) [V] is applied to a nonlinear load, resulting in non-sinusoidal current: i(t) = 4 + 10 cos(2π50 t +30°) + 20 cos (4π50 t +45°) [A]. Determine: (a) the power absorbed on the load, ( ...

If the hertzian dipole in figure 919 is situated at a

If the Hertzian dipole in Figure 9.19 is situated at a distance from the corner and equidistant from the two planes, find the ratio of the radiation field at a point broadside to the dipole and away from the corner to th ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro