What is the resistance at the boiling point of water

Assignment Help Electrical Engineering
Reference no: EM13229611

1. a nichrome wire 12 ft long and .011 inch diameter conducts 1.83A when 120v are applied. what is the resistivity of nichrome?

2. Copper windings of an electric motor at room temperature of 25 degrees C has resistance of .20(r). after running the motor, the resistance rises to .22(r). what is the temperature of the windings?

3.A) Determine the absolute zero resist. point of a metal if the wire is 50 (r) at 20 degrees C and 51.04 (r) at 150 degrees C.

B) Determine the metals?

4. A) A nichrome wire has 48 (r) at freezing. What is the resistance at the boiling point of water?

B) What is the temperature at which this wire has a resistance of 48.5 (r)?

Reference no: EM13229611

Questions Cloud

Determine the current in the neutral wire : A three-phase, wye-connected induction motor is supplied by a three-phase and foursin system with line-to-line voltage of 220V and the impedance of the motor is 6.3+j3.05Ohm per phase.
What is the output impedance of the amplifier : Suppose that without a 1k-ohm load an amplifier's output voltage is 5Vpp but when the 1k-ohm load is attached, it drops to 3Vpp. What is the output impedance of the amplifier
Explain what is the ph of a solution in methylamine : What is the pH of a solution that is 0.125 M in methylamine (CH3NH2) and 0.175 M in methylamine chloride (CH3NH3Cl)?
What volume of red dye is needed to reach the endpoint : A 4.16 g sample of ascorbic acid is titrated with 0.83 M red dye. What volume of red dye is required to reach the endpoint? Molar mass of red dye =267.08 g/mol; molar mass of ascorbic acid =176.12 g/mol
What is the resistance at the boiling point of water : 1. a nichrome wire 12 ft long and .011 inch diameter conducts 1.83A when 120v are applied. what is the resistivity of nichrome 2. Copper windings of an electric motor at room temperature of 25 degrees C has resistance of .20(r).
Compute the concentrations of h+ : calculate the concentrations of h+, oh-, f-, and undissociated hf molecules in 0.10 M hf. Ka for HF is 7.1x10^(-4).
Explain what is the kb for strychnine based on measurements : Strychnine, C12H22N2O2, is a weak base. An aqueous solution of 0.0515 M strychnine solution has a pH of 10.48. What is the Kb for strychnine based on these measurements?
Explain an acetic acid - sodium acetate : The ka of acetic acid is 1.8 x 10^-5. Please show the calculations for the preparation of 100 mL of an acetic acid - sodium acetate pH 5.0 buffer using .10 M acetic acid.
Explain the reaction of 2-methyl-2-butanol with hcl : Consider the by products that might be formed by E1 and/or E2 processes in the reaction of 2-methyl-2-butanol with HCl. a. Provide structures for these products

Reviews

Write a Review

 

Electrical Engineering Questions & Answers

  What would be the pressure of oxygen in container

by finding the relevant air analysis, determine the partial pressure of nitrogen in the athmosphere at 1.00bar.f a sample of air at this pressure and 10°C was put nto a rigid container and then itd temperature raised to 91°C, what would be the pre..

  Determine the line impedance of thje souece

In a balanced three-phase wye-wye system, the load impedance is 4 + j3 . The source has phase sequence abc and Van = 120

  Design for a minimum number of logic gates

Include the unused states in the design, arranging the circuit to switch from any unused state to the 'main sequence' within one clock cycle, and show the state diagram that applies here. Clearly show all the steps of the design procedure used.

  Create a program using asmide

Create a program using AsmIDE, which utilizes the Fox 11 68HC11 microcontroller board: Speech timer where max time is 5 minutes Use the switches for:

  Explain the two possible frequencies

What are the two possible frequencies to which the local oscillator could be set? What bandwidth should the 10.7 MHz IF amplifier have?

  What pattern does the receiver check to detect errors

An early code used in radio transmission involved using codewords that consist of binary bits and contain the same number of 1s. Thus, the 2-out-of-5 code only transmits blocks of 5 bits in which 2 bits are 1 and the others 0.

  Determine the speed of the wave travelling on the line

An overhead line with an inductance of 1.33 mH/km and capacitance of 8.34 nF/km is connected to an underground cable with an inductance of 0.266 mH/km and capacitance of 166 nF/km.

  What makes base 16 an attractive numbering system

1.Convert 5EDA into binary number. What makes base 16 (Hexadecimal) an attractive numbering systems for representing values in computers 2. What is 4365 - 3412 when these values represent unsigned 12-bit octal numbers

  Derive a suitable sequential circuit

A sequential circuit has two inputs w 1 and w 2 , and an output, z. Derive a suitable circuit for the given condition.

  What margin is required for the max junction temperature

An amplifier is to have an input of 100watts. Its effeciency is 75%, what is the maximum ambient temperature wherein this amplifier may be placed with a maximum junction temperature of 200degC and a junction to case thermal resistance.

  List the content of all the memory locations in the prom

Implement a high-speed multiplier which will multiply two 2-bit binary numbers (B1B0 and C1C0) using a 16X4 PROM (lookup table implementation). List the content of all the memory locations in the PROM and describe the operation.

  What is the signal-to-noise ratio of the spread signal

Suppose that a voice signal normally occupies 30 kHz of bandwidth and has a signal-to-noise ratio of 20 dB. Spread-spectrum techniques are used to increase its bandwidth to 2 MHz. (a) What is the signal-to-noise ratio of the spread signal

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd