Author Question: A 2.0 meter long Aluminum wire (R = 0.44 m, = 2.82 10-8 -m, = 4.29 10-3 C-1 ) is connected in ... (Read 121 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
A 2.0 meter long Aluminum wire (R = 0.44 m,  = 2.82  10-8 -m,  = 4.29  10-3 C-1 ) is connected in series to an 8.0 meter long Tungsten wire (R = 0.20 m,  = 5.6  10-8 -m,  = 4.5  10-3 C-1).
 
  What is the resistance of the combination if the wire is heated to 150.C? Assume the initial temperature for both wires is room temperature (20C). A) 0.78 m
  B) 0.88 m
  C) 0.69 m
  D) 1.00 m
  E) 0.64 m

Question 2

Which of the following geological processes has shaped the surface of the Earth?
 
  A) plate tectonics
  B) volcanism
  C) erosion
  D) all of these



aham8f

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

For a complete list of videos, visit our video library