This topic contains a solution. Click here to go to the answer

Author Question: If the electric flux through a closed surface is zero, the electric field at points on that surface ... (Read 100 times)

Jipu 123

  • Hero Member
  • *****
  • Posts: 569
If the electric flux through a closed surface is zero, the electric field at points on that surface must be zero.
 
  A) True
  B) False

Question 2

A thin, circular disk of radius 30.0 cm is oriented in the yz-plane with its center at the origin.
 
  The disk carries a total charge of +3.00 C distributed uniformly over its surface. Calculate the magnitude of the electric field due to the disk at the point x = 15.0 cm along the x-axis.
  (0 = 8.85  10-12 C2/N  m2)
  A) 9.95  105 N/C
  B) 4.98  105 N/C
  C) 3.31  105 N/C
  D) 2.49  105 N/C
  E) 1.99  105 N/C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cswans24

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

Answer: B

Answer to Question 2

Answer: C





 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

For a complete list of videos, visit our video library