Author Question: If you stretch a copper wire so that it is thinner, the resistance between its ends A) decreases. ... (Read 68 times)

torybrooks

  • Hero Member
  • *****
  • Posts: 500
If you stretch a copper wire so that it is thinner, the resistance between its ends
 
  A) decreases.
  B) remains unchanged.
  C) increases.

Question 2

Two light bulbs are connected to a battery, one at a time. The bulb that draws more current has the
 
  A) lower resistance, and is brightest.
  B) lower resistance, but is dimmer.
  C) higher resistance, and is brightest.
  D) higher resistance, but is dimmer.
  E) none of the above



ynlevi

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

ynlevi

  • Sr. Member
  • ****
  • Posts: 338

 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

For a complete list of videos, visit our video library