In a series circuit with an LED and a potentiometer, what happens to the LED if the potentiometer is set at Low? Why?

An uncharged nonconductive hollow sphere of radius 18.0 cm surrounds a 12.0 µc charge located at the origin of a cartesian coordinate system. a drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. calculate the electric flux through the hole.

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

In which of the following is positive work done by a person on a suitcase