This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A long straight metal rod has a radius of 2.0 mm and a surface charge of density 0.40 nC/m2 . ... (Read 90 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
on: Jul 28, 2018
A long straight metal rod has a radius of 2.0 mm and a surface charge of density 0.40 nC/m2 . Determine the magnitude of the electric field 3.0 mm from the axis.
 a. 18 N/C
  b. 23 N/C
  c. 30 N/C
  d. 15 N/C
  e. 60 N/C

Question 2

The axis of a long hollow metallic cylinder (inner radius = 1.0 cm, outer radius = 2.0 cm) coincides with a long wire. The wire has a linear charge density of -8.0 pC/m, and the cylinder has a net charge per unit length of -4.0 pC/m. Determine the magnitude of the electric field 3.0 cm from the axis.
 a. 5.4 N/C
  b. 7.2 N/C
  c. 4.3 N/C
  d. 3.6 N/C
  e. 2.4 N/C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pratush dev

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

B


Alygatorr01285

  • Member
  • Posts: 564
Reply 2 on: Jul 28, 2018
:D TYSM

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Relationship between fruit radius and beak length in populations of native and introduced species of Relationship between fruit radius and beak length in populations of native and introduced species of
scanning electron micrograph showing an ovum (pink) released by the ovary at ovulation surrounded by scanning electron micrograph showing an ovum (pink) released by the ovary at ovulation surrounded by
The Moon’s Interior and Its Effects on the Moon’s Surface The Moon’s Interior and Its Effects on the Moon’s Surface
A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per
Effect of dietary fats on high- and low-density cholesterol levels Effect of dietary fats on high- and low-density cholesterol levels
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library