General Physics II, Chapter 18

Dr. Jianshi Wu, Ph.D.

 


Please fill in your name and student ID

Name

Studnt ID



Answer the questions below and then click "submit" to send your answers.

  1. The four fundamental phyical quantities in electromagnetism are:

  2. a) time, length, speed and charge.
    b) time, length, mass and charge.
    c) time, length, acceleration and charge.

  3. The Coulomb constant in the SI unit system is

  4. a) 8.99 • 109 N m2C-2.
    b) 8.99 • 109 N C2m-2.
    c) 8.99 • 10-9 N m2C-2.

  5. When the distance between two charges is doubled, the force between the two charges is

  6. a) also doubled.
    b) reduced to one half as much.
    c) reduced to one fourth as much.

  7. The electric charge carried by an electron is

  8. a) 1.6 • 10-19 C.
    b) -1.6 • 1019 C.
    c) -1.6 • 10-19 C.



To find out the answers:
click here.


Return to:
Dr. Jianshi Wu's Home Page

Return to:
Courses