Free online courseMagnets, Magnetism and Charges

Conteúdo do Curso

• Video class: Magnetism (1 of 13) Magnets

  0h11m

• Exercise: _Which of the following elements can be magnetized at room temperature?

• Video class: Magnetism (2 of 13) Why are Magnets Magnetic, An Explanation

  0h07m

• Exercise: _Which of the following elements are magnetic under normal conditions?

• Video class: Magnetism (3 of 13) Magnetic Field of a Current Carrying Wire, An Explanation

  0h10m

• Exercise: _What is Right-hand rule number one used for in determining the direction of the magnetic field from a current carrying wire?

• Video class: Magnetism (4 of 13) Magnetic Field of a Wire, Calculations

  0h06m

• Exercise: _What is the current needed to generate a magnetic field of 3.5 x 10^-6 Tesla at a distance of 25 centimeters from a current-carrying wire?

• Video class: Magnetism (5 of 13) Magnetic Field of a Coil, An Explanation

  0h12m

• Exercise: _What is the direction of the magnetic field running through a coil of wire with a current running up through the wire?

• Video class: Magnetism (6 of 13) Magnetic Field of a Coil, Example Calculations

  0h06m

• Exercise: _What is the equation used to calculate the magnetic field strength inside a coil?

• Video class: Magnetism (7 of 13) Lorentz Force on a Charged Particle, Right Hand Rule

  0h11m

• Exercise: _What is the right-hand rule used for in determining the direction of the force on a charged particle moving through a magnetic field?

• Video class: Magnetism (8 of 13) Lorentz Force, Calculate Magnetic Force on Charged Particle

  0h08m

• Exercise: _What is the angle between the velocity of a charged particle and the magnetic field when the particle is moving perpendicular to the magnetic field?

• Video class: Magnetism (13 of 14) The Lorentz Force, Charged Particles in Magnetic Fields

  0h08m

• Exercise: _What happens to a charged particle when it is put at rest in a magnetic field?

• Video class: Magnetism (12 of 13) The Lorentz Force, Charged Particles in Magnetic Fields

  0h09m

• Exercise: _What happens to a positively charged particle when it enters a magnetic field?

• Video class: Magnetism (9 of 13) Lorentz Force, Force on a Current Carrying Wire

  0h09m

• Exercise: _What is the equation used to determine the magnitude of the force on a current carrying wire in a magnetic field?

• Video class: Magnetism (10 of 13) Magnetic Force Due to Parallel Wires, Current Same Direction

  0h05m

• Exercise: _What is the direction of the magnetic field from wire number 1?

• Video class: Magnetism (11 of 13) Magnetic Force Due to Parallel Wires, Current Opposite Directions

  0h08m

• Exercise: _What is the direction of the force on wire number two in relation to wire number one?

• Video class: Magnetism (13 of 13) The Motor Principle and Simple DC Motors

  0h06m

• Exercise: _What is a motor?

• Video class: Simple DIY Electromagnetic Train from a Battery and Two Magnets

  0h03m

• Exercise: _What is the purpose of the foam or brass washer in the electric train setup?

• Video class: Velocity Selector: An Example Problem

  0h10m

• Exercise: _What is the equation to calculate the electric field strength between two charged plates?

• Video class: Velocity Selector: An Explanation

  0h12m

• Exercise: _What is a velocity selector?

• Video class: Mass Spectometer: An Explanation

  0h12m

• Exercise: _What is the acceleration voltage between the positively charged and negatively charged plates in the ion source of a bain bridge mass spectrometer?

• Video class: Mass Spectrometer: An Example Problem

  0h15m

• Exercise: _What is the purpose of a mass spectrometer?

• Video class: Imagine - John Lennon - Light in Babylon

  0h04m