Define Electric Power and write its SI unit

Define electric power and give its unit.

Define electric flux. Write its SI unit. A charge q is enclosed by a spherical surface of radius R. If the radius is reduced to half, how would the electric flux through the surface change ?

Define power and its SI unit.?

Define electric dipole moment. Write its SI unit ?

Define power of a lens and write its unit

Define acceleration and state its SI unit.