Author Question: Two identical small charged spheres are a certain distance apart, and each one initially experiences ... (Read 53 times)

cookcarl

  • Hero Member
  • *****
  • Posts: 539
Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude F due to the other.
 
  With time, charge gradually leaks off of both spheres. When each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be
  A) 1/4 F. B) 1/8 F. C) 1/2 F. D) 1/16 F.

Question 2

A circular coil of wire of 200 turns and diameter 2.0 cm carries a current of 4.0 A. It is placed in a magnetic field of 0.70 T with the plane of the coil making an angle of 30 with the magnetic field. What is the magnetic torque on the coil?
 
  A) 0.15 N  m
  B) 0.088 N  m
  C) 0.29 N  m
  D) 0.40 N  m
  E) 0.076 N  m



kaykay69

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

For a complete list of videos, visit our video library