What is the force on a wire of length 200cm and carrying a current of 10,000mA when it is placed at right angles in a field of 0.45T?

How would a small bar magnet be oriented when placed at position x?

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.

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little