« previous next »

Author Question: The magnetic force on a current-carrying wire in a magnetic field is the strongest when A) the ... (Read 115 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
on: Jul 29, 2018
The magnetic force on a current-carrying wire in a magnetic field is the strongest when
 
  A) the current is in the direction of the magnetic field lines.
  B) the current is in the direction opposite to the magnetic field lines.
  C) the current is at a 180 angle with respect to the magnetic field lines.
  D) the current is perpendicular to the magnetic field lines.
  E) the current is at a 0 angle with respect to the magnetic field lines.

Question 2

What is the wavelength of a photon having the same momentum as an electron that is traveling at 7.5 km/s?
 
  (h = 6.626  10-34 J  s, melectron = 9.11  10-31 kg)


Dunkey

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

97 nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Field Garlic Field Garlic
Preparation of sterile field 1 Preparation of sterile field 1
functional magnetic resonance imaging functional magnetic resonance imaging
The Coriolis Force The Coriolis Force
Drawing of Central PompeII In Its Current State Drawing of Central PompeII In Its Current State
A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ... A constant uniform magnetic field of 0.50 T is applied at right angles to the plane of a flat ...
Video: PET Scan Animation

For a complete list of videos, visit our video library