Essential University Physics
4th Edition
ISBN: 9780134988566
Author: Wolfson, Richard
Publisher: Pearson Education,
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Textbook Question
Chapter 37, Problem 55P
The critical field in a niobium-titanium superconductor is 15 T. What current in a 5000-turn solenoid 75 cm long will produce a field of this strength?
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Niobium metal becomes a superconductor(with zero electrical resistance) when cooledbelow 8.3 K.The permeabilty of free space is 1.25664 ×10−6 N/A2.If superconductivity is destroyed when thesurface magnetic field exceeds 0.15 T, determine the maximum current a 3.2 mm diameter niobium wire can carry and remain superconducting.Answer in units of A.
Chapter 37 Solutions
Essential University Physics
Ch. 37.1 - Prob. 37.1GICh. 37.2 - If a scientist uses microwave technology to study...Ch. 37.3 - Prob. 37.3GICh. 37 - Prob. 1FTDCh. 37 - Prob. 2FTDCh. 37 - Prob. 3FTDCh. 37 - Prob. 4FTDCh. 37 - Prob. 5FTDCh. 37 - Prob. 6FTDCh. 37 - Prob. 7FTD
Ch. 37 - Prob. 8FTDCh. 37 - Prob. 9FTDCh. 37 - Prob. 10FTDCh. 37 - Prob. 11ECh. 37 - Prob. 12ECh. 37 - Prob. 13ECh. 37 - Prob. 14ECh. 37 - Prob. 15ECh. 37 - Prob. 16ECh. 37 - Prob. 17ECh. 37 - Prob. 18ECh. 37 - Prob. 19ECh. 37 - Prob. 20ECh. 37 - Prob. 21ECh. 37 - Prob. 22ECh. 37 - Prob. 23ECh. 37 - Prob. 24ECh. 37 - Prob. 25ECh. 37 - Prob. 26ECh. 37 - Prob. 27ECh. 37 - Prob. 28ECh. 37 - Prob. 29ECh. 37 - Prob. 30ECh. 37 - Prob. 31PCh. 37 - Prob. 32PCh. 37 - Prob. 33PCh. 37 - Prob. 34PCh. 37 - Prob. 35PCh. 37 - Prob. 36PCh. 37 - Prob. 37PCh. 37 - Prob. 39PCh. 37 - Prob. 40PCh. 37 - Prob. 41PCh. 37 - Prob. 42PCh. 37 - Prob. 43PCh. 37 - Prob. 44PCh. 37 - Prob. 45PCh. 37 - Prob. 46PCh. 37 - Prob. 47PCh. 37 - Prob. 48PCh. 37 - Prob. 49PCh. 37 - Prob. 50PCh. 37 - Prob. 51PCh. 37 - Prob. 52PCh. 37 - Prob. 53PCh. 37 - Prob. 54PCh. 37 - The critical field in a niobium-titanium...Ch. 37 - The transition from the ground state to the first...Ch. 37 - Prob. 57PCh. 37 - Prob. 58PCh. 37 - Youre troubled that Example 37.1 neglects the mass...Ch. 37 - Prob. 60PCh. 37 - The Madelung constant (Section 37.3) is...Ch. 37 - Prob. 62PCh. 37 - (a) Count the number of electron states N(E) with...Ch. 37 - Prob. 64PCh. 37 - Prob. 65PCh. 37 - Prob. 66PCh. 37 - Prob. 67PPCh. 37 - Prob. 68PPCh. 37 - Prob. 69PPCh. 37 - Prob. 70PP
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- A Hall probe made from a semiconductor in the form of a cube of side 1 mm is being designed to measure a magnetic field. If the carrier concentration is 5x1017/cm and the operation current density for the probe is 10 mA/cm². find the probe sensitivity in unit V/T. Assume a mobility of 0.5 m2/Vs.arrow_forwardWhat is the critical temperature for a superconductor?arrow_forwardNiobium metal becomes a superconductorwhen cooled below 9 K.The permeability of free space is 1.25664 ×10−6 N/A2.If superconductivity is destroyed when thesurface magnetic field exceeds 0.1334 T, determine the maximum current a 2.775 mmdiameter niobium wire can carry and remainsuperconducting.Answer in units of A.arrow_forward
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