Dilute Metals Notes Questions with Answers PDF Download - 11

Pendry et al. proposed dilute metals with extremely low plasma frequency in

1. 1976
2. 1986
3. 1996
4. 2006

Physical phenomena in which electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments.

1. electrostatics
2. magnetism
3. magneto statics
4. electrodynamics

It has been proved that refractive index '√(|∊_r||µ_r|)' must take a negative sign to conserve

1. linearity
2. causality
3. non causality
4. non linearity

If more current leaves the volume than enters, J will be

1. negative
2. neutral
3. positive
4. ground

Electrical polarity's measurement of charges present in as system is termed as

1. electric dipole moment
2. transition dipole moment
3. bond dipole moment
4. magnetic dipole moment