Ask Question, Ask an Expert


Ask Electrical & Electronics Expert

problem 1) Three charges are 1 × 10–9, 2 × 10–9 and 3 × 10–9 C are placed at the corners of an equilateral triangle of side 1m. Compute the potential at a point equidistant from the three corners of the triangle.

problem 2)(a) What is thermo emf? describe how thermo emf can be measured using potentiometer.

(b) The emf in a thermo couple when one junction is at 0ºC is E = at + bt2. Determine the Peltier and Thomson coefficients.

problem 3)(a) prepare a detailed note on dia and para magnetism.

(b) describe the domain theory of ferromagnetism.

problem 4)(a) describe one of the uses of a ballistic galvanometer by means of an experiment.

(b) prepare down the force on a current carrying straight conductor kept in a magnetic field.

problem 5)(a) describe the decay of charge of a capacitor through a circuit containing L and R.

(b) Describe the energy losses associated with transformers.

problem 6) Derive the expression for the energy stored in a capacitor. Also, illustrate that there is always loss of energy when two charged conductors share their charges

problem 7) Applying the principle of thermodynamics to a thermocouple, demonstrate that

(a) Peltier coefficient = absolute temperature × thermo electric power

(b) Thomson coefficient = absolute temperature of the cold junction × first derivative of thermoelectric power.

problem 8) prepare a note of the followings:

(a) Magnetic alloys.

(b) Determination of Susceptibility of ferromagnetic materials.

problem 9) Give the theory of a moving coil ballistic galvanometer. Describe in detail the damping correction.

problem 10) describe the principle and working of a transformer.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M97027

Have any Question? 

Related Questions in Electrical & Electronics

1 state and briefly discuss the basic definition of the

1. State and briefly discuss the basic definition of the curl of a vector. 2. What is a curl meter? How does it help visualize the behavior of the curl of a vector field? 3. Provide two examples of physical phenomena in ...

1 a synchronous alternator is supplying 09 pu power to the

(1) A synchronous alternator is supplying 0.9 p.u. power to the grid when a temporary three-phase short occurs on the interconnector. The power angle curves are:- Pre-fault = 2.0 sin(delta) During fault = 0.5 sin(delta) ...

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 ...

Consider a uniform bar with a cross-sectional area a 2

Consider a uniform bar with a cross-sectional area, A = 2 10 -4  m 2 , and a unit length, L = 1 m. The bar shows elastoplastic material behavior, as depicted in the figure. The plastic deformation starts at yield stress ...

In a kademlia network with m 4 we have five active nodes

In a Kademlia network with m = 4, we have five active nodes: N2, N3, N7, N10, and N12. Find the routing table for each active node (with only one column).

1 why is it necessary to have the minus sign associated

1. Why is it necessary to have the minus sign associated with the time rate of increase of magnetic flux on the right side of Faraday's law? 2. What is electromotive force? 3. What are the different ways in which an emf ...

Solve problem using the secant method do not use the

Solve Problem using the secant method. Do not use the incremental force method. Discuss about the convergence rate. Problem :- Consider a uniform bar with a constant Young's modulus, E = 100 MPa; cross-sectional area, A ...

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 ...

You are to size a grid-connected south-facing pv system for

You are to size a grid-connected south-facing PV system for Las Vegas to deliver 4000 kWh/yr. Use a tilt equal to latitude minus 15°. a. What should be the ac-rated power of the PV/inverter system? b. What temperature de ...

Assignmentnbsp 1electric fields dielectrics generation and

Assignment  1 Electric Fields, Dielectrics, Generation and Measurements of HVDC & HVAC 1) For a coaxial cylindrical single-phase cable with an inner cable radius "r', outer grounded sheath radius "R' and an applied cable ...

  • 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