ECA 8 _ Permeability, lines of force, Coulombs law

Electric field lines exerting force on a charge are also known as _____ __ _____

The value of k in coulomb's law depends upon _____ between two charges

If the medium between two charges is air, then the value of constant k in SI units will be

 Flux will be minimum when electric field lines to area (area of vector) are

The force between two charges is 120 N,if distance between charges is doubled the force will be

The lines of force due to charged particles are

Law stating that "force is directly proportional to product of charges and inversely proportional to square of separation between them" is called

Formula that describes statement of Coulomb's law is

 In region of any positive point charge, other positive point charge feels

Capacitor is a device used to__________