Cada pergunta deste Quiz é cronometrada.
Which of the following statements are not true?
All substances contains electrons but most substances are not magnetic
In the electron spin magnetic moment the electron is physically spinning due to the angular momentum.
In the orbital magnetic moment the magnetic moment of the electron is proportional to its angular velocity
more than one of the choices
Certain types of super conductors also exhibit perfec __________- in the superconducting state which is called the Meissner effect
Paramagnetism
Ferromagnetism
Diamagnetism
Spin moment
If the substance is below the Curie temperature, the magnetic moment are aligned and the substance is _____________
Paramagnetic
Diagmagnetic
Antiferromagnetic
Ferromagnetic
Current (Electric Circuits), ____________ (Magnetic Circuits)
Reluctance
Permeability
Flux
Permeance
The material shows no magnetic effects this is due to the _____________
absence of an external field
spinning of electrons
absence of voltage
cannot be determined
