EMF1

Choose the unit of electric field is:

• N/C

• N

• C

• V

Indicate that the electric field lines always start from:

• zero

• positive

• negative

Describe the Coulomb's law force is    

• constant

• conservative

• Non-conservative

Coulomb's law force is inversely proportional to.

• r² 

• r³

• r

Relate Gauss’s law electric flux to

• voltage

• current

• impedance

• charge enclosed

Infer Gauss’s law is useful when the charge distribution has.

• symmetry

• no-symmetry

Choose electric flux is

• scalar

• vector

Choose electric flux density is

• scalar

• vector

dielectric is an

• insulator

• semi conductor

Write the unit of electric flux density of electric conductor

• C/m

• C/m²