Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

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

The single-phase full-bridge inverter from fig 62a has a

The single-phase full-bridge inverter from Fig. 6.2a has a square-wave voltage across a series R-L load. The switching frequency is 50 Hz, the DC input voltage is 250 V, and the load is a serial connection of R = 10 Ω an ...

A module with 40 cells has an idealized rectangular i-v

A module with 40 cells has an idealized, rectangular I-V curve with I SC = 4 A and V OC = 20 V. If a single cell has a parallel resistance of 5Ω and negligible series resistance, draw the I-V curve if one cell is complet ...

One of the attacks an intruder can apply to a simple cipher

One of the attacks an intruder can apply to a simple cipher like an additive cipher is called the ciphertext attack. In this type of attack, the intruder intercepts the cipher and tries to find the key and eventually the ...

1 why is it that the distances r1 and r2 in the phase

1. Why is it that the distances r 1 and r 2 in the phase factors in equations (8.47a) and (8.47b) cannot be set equal to r, but the same quantities in the amplitude factors can be set equal to r? 2. What is an array fact ...

Implement circuits in logisim that show whether or not the

Implement circuits in Logisim that show whether or not the operations AND, OR, XOR, NAND, NOR, and XNOR are commutative. This can be accomplished using circuits with only 3 inputs and 2 operations. 1. Create a table simi ...

Approximate using a number of terms of your choice through

Approximate (using a number of terms of your choice) through the three forms of Fourier series expansion the periodic signal that is depicted in the following figure Each time, a. Plot the approximate signal in time of t ...

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 ...

Let xt be a signal whose fourier transform xomega is

Let x(t) be a signal whose Fourier transform X(ω) is nonzero only over 3 ≤ |ω| ≤ 9. Further, only frequencies 5 ≤ |ω| ≤ 7 contain useful information (the other frequencies can be considered to contain noise or different ...

The trigonometric fourier series of a certain periodic

The trigonometric Fourier series of a certain periodic signal is given by a. Sketch the exponential Fourier spectra. b. By inspection of the spectra in part (a), sketch the trigonometric Fourier spectra for x(t). Find th ...

1 discuss briefly the motional emf concept2 what is lenzs

1. Discuss briefly the motional emf concept. 2. What is Lenz's law? 3. How would you orient a loop antenna in order to obtain maximum signal from an incident electromagnetic wave which has its magnetic field linearly pol ...

  • 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

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

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen