Topic — Magnetic field, forces on charges and currents, and sources of the field.
Featured in chapters
17
Linked atoms
79 linked atoms.
17 The magnetic field
- Systematic analogy between E and B
- Absence of magnetic monopoles
- Auroras
- Helmholtz coil
- Compass and the Earth’s field
- Magnet, iron and copper
- Field inside a solenoid
- Field of a household cable and a compass
- Field of a wire at 10 cm
- Field of a wire at 3 mm
- Field of a straight wire
- Field of a straight wire at 10 cm
- Field of a finite solenoid
- Magnetic field from a moving charge
- Magnetic field of a conducting plane
- Earth’s field ten times stronger
- Simple cyclotron
- Torque and energy of a magnetic dipole
- From period to field
- m ratio
- Direction of the force and trajectory
- Weiss domains
- Worked example: charge in an outward field
- Worked example: a kilometre-wide cyclotron
- Worked example: ion deflector
- Worked example: electric motor under load
- Worked example: mass spectrometer of cyanide
- Worked example: rectangular loop in a uniform field
- Back-EMF and energy balance
- Laplace force on a wire
- Lorentz force and the radius of a proton
- Lorentz force on an electron
- Lorentz force on an electron at 1 T
- Lorentz force on a proton
- Force of an MRI machine on a paperclip
- Force as a function of angle
- Force per unit length between two wires
- Force between two wires with different currents
- Force between two parallel wires with currents in the same direction
- Cyclotron frequency of a proton
- The magnetic field and the tesla
- The cyclotron
- The commutator
- Magnetism is electrostatics plus relativity
- The electric motor
- The velocity selector
- The solenoid
- Ampère’s theorem
- The Hall effect
- The Lorentz force
- The magnetic force does no work, and why that isn’t a paradox
- Magnetic field lines
- The mass spectrometer
- Magnetic moment of a loop
- Torque on a square loop
- Magnetic monopole
- Uniform circular motion in a magnetic field
- Motor and dynamo
- Orientation of the wire for maximum and zero force
- Vacuum permeability doubled
- Which field gives maximum torque
- Radius of a proton in the field
- Radius and period of an electron
- Ranking magnetic materials
- Ranking the cyclotron radius
- Ranking the Lorentz force (four angles)
- Ranking the Lorentz force (four directions)
- Ranking three solenoids
- Right-hand rule
- Right-hand rule
- Wien velocity selector
- Turns per metre for 1 mT
- Estimating the Earth’s magnetic field
- Dimensional check of the solenoid’s field
- True or false about monopoles and flux
- True or false about the magnetic force