If a positive charge is displaced against the electric field in which it was situated, then
Option: 1 work will be done by the electric field on the charge.
Option: 2 the intensity of the electric field decreases.
Option: 3 energy of the system will decrease.
Option: 4 energy will be provided by external source displacing the charge.
If a positive charge is displaced against the electric field in which it was situated, then energy will be provided by external source displacing the charge.