Ask Question, Ask an Expert


Ask Electrical & Electronics Expert

1)(a) describe the Forbe’s method for finding the thermal conductivity of good conductors.

(b) Compound bar of nickel and copper of equivalent cross section and equal length is so arranged that the free end of copper is in the steam chamber at 100°C and free end of nickel is in melting ice at 0°C. If there are no heat losses at sides, compute the temperature of the hot junction.
[Given: KCu = 390 W/m/K and KNi = 60W/m/K]

2) Describe the processes given below:

(a) Formation of ice on ponds.

(b) Thermal conduction in the compound medium when bodies are arranged in series.

3)(a) What do you mean by achromatism? prepare down the condition for the achromatism of two thin lenses when they are in contact.

(b) Deduce the condition for achromatism of two thin lenses separated by the distance.

4) Describe the following with the help of appropriate diagrams:

(a) Longitudinal spherical aberration

(b) Lateral spherical aberration

5)(a) prepare down the principle to be observed in acoustical design of the auditorium.

(b) describe the method of measuring absorption coefficient of the material with essential theory.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M913639

Have any Question? 

Related Questions in Electrical & Electronics

A clean 15--efficient module stc 1 m2 in size has its own

A clean, 15-%-efficient module (STC), 1 m2 in size, has its own 90% effi- cient inverter. Its NOCT is 44° C and its rated power degrades by 0.5%/° C above the 25° C STC. a. What would its STC rated power be? b. Find the ...

Assume bob using the rsa cryptosystem selects p 11 q 13

Assume Bob, using the RSA cryptosystem, selects p = 11, q = 13, and d = 7, which of the following can be the value of public key e? a. 11 b. 103 c. 19

1 briefly outline the procedure involved in the successive

1. Briefly outline the procedure involved in the successive solution of Maxwell's equations. 2. How does the technique of successive solution of Maxwell's equations reveal the interaction between the electric and magneti ...

Make an analytical model of a tornado using an irrotational

Make an analytical model of a tornado using an irrotational vortex (with velocity inversely proportional to distance from the center) outside a central core (with velocity directly proportional to distance). Assume that ...

It is desired to strip trichloroethylene o2hcl3 from a

It is desired to strip trichloroethylene, O 2 HCl 3 , from a contaminated groundwater stream. The groundwater, which can be treated as a dilute water stream, will be fed to the top of the tower operating at 288 K and 1.0 ...

Objectivesthe objectives of this experiment are1 to

OBJECTIVES: The objectives of this experiment are: 1) To investigate the operation of automatic reset circuits. 2) To understand the difference between a positive edge triggered, negative edge triggered, and a level trig ...

A person receives an automobile loan of 10000 from a bank

A person receives an automobile loan of $10,000 from a bank at the interest rate of 1.5% per month. His monthly payment is $500, with the first payment due one month after he receives the loan. Compute the number of paym ...

1 in a dht-based network assume node 4 has a file with key

1. In a DHT-based network, assume node 4 has a file with key 18. The closest next node to key 18 is node 20. Where is the file stored? a. in the direct method b. in the indirect method

1 what is the propagation vector interpret the significance

1. What is the propagation vector? Interpret the significance of its magnitude and direction. 2. Discuss how the phase constants along the coordinate axes are less than the phase constant along the direction of propagati ...

Determine the spacing relative amplitudes and phase angles

Determine the spacing, relative amplitudes, and phase angles of current densities for an array of two infinite plane parallel current sheets required to obtain a radiation characteristic such that the field radiated to o ...

  • 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