This topic contains a solution. Click here to go to the answer

Author Question: A voltage DV is applied across the ends of a Nichrome heater wire having a cross-sectional area A ... (Read 53 times)

abarnes

  • Hero Member
  • *****
  • Posts: 556
A voltage DV is applied across the ends of a Nichrome heater wire having a cross-sectional area A and length L. The same voltage is applied across the ends of a second Nichrome heater wire having a cross-sectional area A and length 2L. Which wire gets hotter?
  1.The shorter wire does.
  2.The longer wire does.
  3.More information is needed.

Question 2

Suppose an electrical wire is replaced with one having every linear dimension doubled (i.e., the length and radius have twice their original values). The wire now has
  1.more resistance than before.
  2.less resistance.
  3.The same resistance.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lkoler

  • Sr. Member
  • ****
  • Posts: 358
Answer to Question 1

1

Answer to Question 2

2




abarnes

  • Member
  • Posts: 556
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)


amcvicar

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library