Author Question: A 1.0-m length of nichrome wire has a radius of 0.50 mm and a resistivity of 1.0 10-6 m. When ... (Read 562 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
A 1.0-m length of nichrome wire has a radius of 0.50 mm and a resistivity of 1.0  10-6   m. When this wire carries a current of 0.50 A, what is the voltage across its ends?
 
  A) 0.0030 V
  B) 0.32 V
  C) 0.64 V
  D) 1.6 V

Question 2

In - decay, the number of protons in the nucleus is
 
  A) decreased by 1.
  B) decreased by 2.
  C) increased by 1.
  D) increased by 2.
  E) remains unchanged.



ErinKing

  • Sr. Member
  • ****
  • Posts: 362
Answer to Question 1

C

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

For a complete list of videos, visit our video library