« previous next »

Author Question: A 25-m wire of diameter 0.30 mm draws 0.499 A when connected across a 3.0-V potential difference. ... (Read 84 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
on: Jul 29, 2018
A 25-m wire of diameter 0.30 mm draws 0.499 A when connected across a 3.0-V potential difference.
  (a) What is the resistance of the wire?
  (b) What is the resistivity of the material from which the wire is made?
 
  What will be an ideal response?

Question 2

An FM radio station broadcasts at 96.7 MHz. What is the wavelength of the radio wave used for this broadcast? (c = 3.0  108 m/s)
 
  What will be an ideal response?


Kingjoffery

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 6.0  (b) 1.7  10-8   m

Answer to Question 2

3.1 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

The resting membrane potential. The resting membrane potential.
Men are more apt to say they are looking for a potential mate who is physically attractive, whereas ... Men are more apt to say they are looking for a potential mate who is physically attractive, whereas ...
A wire wound electrical heater is used to warm the intake air on some diesel engines A wire wound electrical heater is used to warm the intake air on some diesel engines
Meiosis involves two complete divisional operations forming four potential sex cells. Meiosis involves two complete divisional operations forming four potential sex cells.
Action Potential in a Ventricular Fiber Action Potential in a Ventricular Fiber
The Ames test for potential mutagenicity of chemical compounds The Ames test for potential mutagenicity of chemical compounds
Video: Deglutition

For a complete list of videos, visit our video library