dureros lumânări În sus vacuum permeability Preşcolar barcă licență
ELECTRODYNAMICS. Electrodynamics: The Study of Electromagnetic Interactions Magnetism is caused by charge in motion. –Charges at rest have just an electric. - ppt download
3. For a medium with permittivity & and permeability us the refractive index of medium would be (uo and refer to permeability and permittivity of vacuum): (a) ps/uoo (b) Hoo/us (d) MOSOS