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

Author Question: A velocity selector uses a fixed electric field of magnitude E and the magnetic field is varied to ... (Read 71 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
A velocity selector uses a fixed electric field of magnitude E and the magnetic field is varied to select particles of various energies. If a magnetic field of magnitude B is used to select a particle of a certain energy and mass, what magnitude of magnetic field is needed to select a particle of equal mass but twice the energy?
 a. 0.50 B
  b. 1.4 B
  c. 2.0 B
  d. 0.71 B
  e. 1.7 B

Question 2

What value of B should be used in a velocity selector to separate out 2.0-keV protons if E is fixed at 80 kV/m?
 a. 0.18 T
  b. 0.11 T
  c. 0.15 T
  d. 0.13 T
  e. 0.23 T



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alvinum

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

D

Answer to Question 2

D




2125004343

  • Member
  • Posts: 566
Reply 2 on: Jul 28, 2018
Excellent


ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

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

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

For a complete list of videos, visit our video library