Describe schematically the equipotential surfaces corresponding to
A single positive charge at the origin.

Describe schematically the equipotential surfaces corresponding to (c ) A single positive charge at the origin.

Describe schematically the equipotential surfaces corrsponsing to a single positive charge at the origin Use the concept that the equipotential surface is always normal to the direction of electric field.

Describe schematically the equipotential surfaces corresponding to (b) A field that uniformly increases in magnitude but remains in a constant (say, z) direction.

Describe schematically the equipotential surfaces corresponding to (a) a constant electric field in the z-direction.

Describe, schematically the equipotential surfaces corresponding to : a constant electric field in the Z-direction,

Describe schematically the equipotential surfaces corresponding to (d) A uniform grid consisting of long equally spaced parallel charged wires in a plane.