This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the current density in a wire or radius R is given by J = kr, 0 < r < R, what is the ... (Read 18 times)

nmorano1

  • Hero Member
  • *****
  • Posts: 598
on: Jul 29, 2018
If the current density in a wire or radius R is given by J = kr, 0 < r < R, what is the current in the wire?
 
  A) 2kR3/3
  B) 3kR3/2
  C) kR3/3
  D) kR2
  E) kR2/2

Question 2

The main reason for the large inefficiency of the automobile is
 
  A) the kinetic principle.
  B) friction in the moving parts.
  C) the first law of thermodynamics.
  D) the second law of thermodynamics.
  E) unburned hydrocarbons.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lin77x

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


nmorano1

  • Member
  • Posts: 598
Reply 2 on: Jul 29, 2018
Wow, this really help

bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Relationship between fruit radius and beak length in populations of native and introduced species of Relationship between fruit radius and beak length in populations of native and introduced species of
Soil bulk density Soil bulk density
A mini clamp-on digital multimeter can be used to measure alternator output and unwanted AC current ... A mini clamp-on digital multimeter can be used to measure alternator output and unwanted AC current ...
What is the current flowing through the resistor? What is the current flowing through the resistor?
A tightrope walker walks across a 30-m long wire tied between two poles. The center of the wire ... A tightrope walker walks across a 30-m long wire tied between two poles. The center of the wire ...
Physics - Density and Pressure Physics - Density and Pressure
Video: Otitis Media

For a complete list of videos, visit our video library