Question

Notify Me Bookmark

The current density inside a long, solid, cylindrical wire of radius a = 4.2 mm is in the direction of the central axis and its magnitude varies linearly with radial distance r from the axis according to J = J0r/a, where J0 = 290 A/m2. Find the magnitude of the magnetic field at a distance (a) r = 0, (b) r = 3.3 mm and (c) r = 4.2 mm from the center. (a) Number Units (b) Number Units (c) Number Units

The current density inside a long, solid, cylindrical wire of radius a = 4.2 mm is in the direction of the central axis and its magnitude varies linearly with radial distance r from the axis according to J = J0r/a, where J0 = 290 A/m2. Find the magnitude of the magnetic field at a distance (a) r = 0, (b) r = 3.3 mm and (c) r = 4.2 mm from the center. (a) Number Units (b) Number Units (c) Number Units

Image text
The current density inside a long, solid, cylindrical wire of radius a = 4.2 mm is in the direction of the central axis and its magnitude varies linearly with radial distance r from the axis according to J = J 0 r / a , where J 0 = 290 A / m 2 . Find the magnitude of the magnetic field at a distance (a) r = 0 , (b) r = 3.3 mm and (c) r = 4.2 mm from the center. (a) Number i Units ◻ (b) Number i Units ◻ (c) Number i ◻ Units ◻

Detailed Answer

0 0

Please enter your email here. You will get email when this question is answered by our tutor.

Doubtrix Logo

Problem is not yet solved!

Click on Notify me to get email when question is answered.

Join Doubtrix with 7-days free trial

  • Icon Correct & Verified Answers
  • Icon No AI-Generated Answers
  • Icon Video Solution for Difficult Questions
  • Icon Work With Experts to Reach at Correct Answers
Notify me Login Sign Up

Similar/Related Questions

The current density inside a long, solid, cylindrical wire of radius 2.50 mm is in the direction of the central axis and its magnitude varies with radial distance r from the axis as J = (2.50×109 A/m4)r2. Find the magnitude of the magnetic field (T) 4.00 mm from the central axis. 2.02×10−5 1.63×10−5 3.91×10−5 5.03×10−5 2.75×10−5 8.19×10−5 9.09×10−6 4.26×10−5 7.67×10−6 1.25×10−5
Solution
0 0

The figure shows a spherical shell with uniform volume charge density ρ = 2.02 nC/m3, inner radius a = 8.00 cm, and outer radius b = 3.6a. What is the magnitude of the electric field at radial distances (a) r = 0; (b) r = a/2.00, (c) r = a, (d) r = 1.50a, (e) r = b, and (f) r = 3.00b? (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e) Number Units (f) Number Units
Solution
0 0

The figure shows a cross section across a long cylindrical conductor of radius a = 2.42 cm carrying uniform current 71.3 A. What is the magnitude of the current's magnetic field at radial distance (a) 0, (b) 1.02 cm, (c) 2.42 cm (wire's surface), (d) 4.23 cm? (a) Number Units (b) Number Units (c) Number Units (d) Number Units
Solution
0 0