Current is the flow of charge (measured in coulombs/sec = amps) in a circuit. describe how you think current will flow in the different types of circuits above.

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

The two required components for a generator

Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)