subject
Physics, 17.02.2020 20:17 aubreyfoster

What is the current in a wire of radius R = 3.91 mm if the magnitude of the current density is given by (a) Ja = J0r/R and (b) Jb = J0(1 - r/R) in which r is the radial distance and J0 = 4.35 × 104 A/m2? (c) Which function maximizes the current density near the wire’s surface?

ansver
Answers: 1

Another question on Physics

question
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
question
Physics, 22.06.2019 19:10
Due sun 06/09/2019 11: 59 pm skip navigation questions correct q 1 [1/1] correct q 2 [1/1] correct q 3 [1/1] untried q 4 (0/1) untried q 5 (0/1) untried q 6 (0/1) untried q 7 (0/1) untried q 8 (0/1) untried q 9 (0/1) untried q 10 (0/1) grade: 3/10 print version start of questions two cyclists, 42 miles apart, start riding toward each other at the same time. one cycles 2 times as fast as the other. if they meet 2 hours later, what is the speed (in mi/h) of the faster cyclist?
Answers: 1
question
Physics, 23.06.2019 05:00
How long will it take a car traveling of a constant speed of 45m/s to cover the distance of a 2.5km?
Answers: 1
question
Physics, 23.06.2019 11:00
Based on the diagram of the electric field lines around the two spherical charges, what are the signs of the left and right charge respectively?
Answers: 3
You know the right answer?
What is the current in a wire of radius R = 3.91 mm if the magnitude of the current density is given...
Questions
question
Spanish, 24.05.2021 04:40
question
Mathematics, 24.05.2021 04:40
question
Computers and Technology, 24.05.2021 04:40
question
Mathematics, 24.05.2021 04:40
question
Mathematics, 24.05.2021 04:40
question
Mathematics, 24.05.2021 04:40
Questions on the website: 13722363