Author Question: If you stretch a copper wire so that it is thinner, the resistance between its ends A) decreases. ... (Read 75 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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library