Answered: 3. An aluminum wire of diameter D and…

3. An aluminum wire of diameter D and length L has a resistance of 1.5 0. Find the length of another aluminum wire at the same temperature if its diameter is 2D and its resistance is 6 2. (16L)

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 36P: If electrical energy costs 0.12 per kilowatt-hour, how much does it cost to (a) burn a 100-W...

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Ising model of Ferromagnets

The Ising model is one of the easiest and most famous theoretical models for ferromagnetism in statistical mechanics. When a group of atomic spins aligns such that their magnetic moments are pointed in the same direction and produce a strong permanent magnetic moment in macroscopic size, the phenomenon is called ferromagnetism. The relative permeability of these magnets is greater than unity and increasing magnetization with the applied external field. Even in the absence of an external magnetic field, these substances retain spontaneous magnetization. An example of ferromagnets is iron.

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Solve for #3

Ul the eléctric heater.
3. An aluminum wire of diameter D and length L has a resistance of 1.5 0. Find the length of
another aluminum wire at the same temperature if its diameter is 2D and its resistance is 6 2.
(16L)
Calculate the resistance of a copper wire with a diameter of 2.5968 mm having a length of
4.
1000 m at 20°C.
vity 4: What I Know Chart, part 2 (2 mins)

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ostro Imssb1.mutah.edu.jo/mod/ A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature (in units of C) when its resistance is 77 N. Assume the temperature coefficient of resistivity to be a= 3.92x 10 C
4 Dei U50. CTICE AND -- A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 38.8 Q at 20.0°C. If its resistance increases to 39.4 Q at 28.5°C, what is the temperature coefficient of resistivity?
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