Becomes weaker
Becomes stronger
Reverses in direction
is unchanged
A. Becomes weaker
moving electric charge
Iron atoms
Magnetic domain
Permanent magnets
5 N/Wb
25 N/Wb
125 N/Wb
0.2 N/Wb
Newton's first law
Faraday's first law of electromagnetic induction
Coulomb's first law
Coulomb's second law
scalar
phasor
vector
variable
Nucleons
Electrons
Protons
Neutrons
4 Wb/m^2
5 Wb/m^2
1 Wb/m^2
2 Wb/m^2
a conductor
a semiconductor
an insulator
a superconductor
1/218 per oC
1/252 peroC
1/272 per oC
1/273 per oC
Wartheim effect
Wiedemann effect
Wiegand effect
Edison effect
a metal
an insulator
a non-metal
a semiconductor
By using a common core
By moving the coils closer
By moving the coils apart
By increasing the number of turns of either coil
Range
Lattice
Domain
Crystal
Heinrich Rudolf Hertz
Wilhelm Rontgen
James Clerk Maxwell
Andre Ampere
32, 32
32, 42
42, 32
34, 34
Weber
Gauss
Gilbert
Tesla
Diamagnetic
Ferromagnetic
Terrestrial magnetism
Terrestrial ferromagnetism
Low permeability
High permeability
High density
High retentivity
Tesla
Weber
Maxwell
Gauss
The conductivity of the material for magnetic lines of force
The magnetization test in the material after exciting field has been removed
The strength of an electromagnet
The strength of the permanent magnet
Bohr's principle
Pauli exclusion principle
Avogadro's principle
Coulomb's principle
5 Wb
0.5 Tesia of flux density
5x 10^-5 Wb of flux
5000 Tesia of flux density
Air gap
Free space
Vacuum
Atmosphere
Permeance
Eddy current
Hysteresis
R eluctance
Dielectric strength
Electric intensity
Potential gradient
Dielectric constant
Michael Faraday
Andre Ampere
James Clerk Maxwell
Charles Coulomb
Size of the conductor
Amount of current
Current divided by the resistance
Resistance divided by the current
Atomic packing factor (APF)
Ionic Packing Ratio (IPR)
Atomic compacting factor (ACF)
Ionic compacting ratio (ICR)
Magnetic pole
South pole
North pole
Unit pole
Very much greater than permeability of air
Slightly greater than permeability of air
Slightly less than permeability of air
Equal to the permeability of air