How does a plasma, the fourth state of matter, differ from gas?
A. Plasma has indefinite shape and volume; volume; gas does not.
B. Plasma has definite definite shape and volume; volume; gas does not.
C. Plasma conducts electricity; electricity; gas does not.
D. Plasma cannot conduct electricity; electricity; gas can.

Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.