What is the atomic number of hydrogen? A. 26 B. 14 C.35 D. 1

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.

The strong nuclear force acts over a small distance than the electrostatic force. true or false

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?