21."The total electric flux through any closed surface surrounding charges is equal to the amount oflcharge enclosed". The above statement is associated with

22.The units of capacitance are

23.The electric field at a point situated at a distance d from straight charged conductor is

24.The electric field intensity at a point situated 4 metres from a point charge is 200 N/C. If the distance is reduced to 2 metres, the field intensity will be