Engineering Physics

Multiple Choice Questions

1. Dielectrics are: ( )
   1. metals
   2. semiconductors
   3. insulating materials
   4. none
2. Local electric field is calculated by using the method suggested by: ( )
   1. Lorentz
   2. Weiss
   3. Curie
   4. Coulomb
3. If P is the polarization of a dielectric material of dielectric constant ∈₀ and E is the macroscopic electric field, then internal field is: ( )
   1. 
   2. 
   3. 
4. A dielectric material can be polarized by applying _____ field on it. ( )
   1. magnetic
   2. gravitational ...