Which of the following statements describes the interaction between magnetic poles? a. like poles attract each other. b. like poles repel each other, and opposite poles attract each other. c. opposite poles repel each other. d. like poles attract each other, and opposite poles repel each other.

Which of the following changes to a pipe would increase the conductance by a factor of 12? 1.quadrupling the length and tripling the radius.2.reducing the length by a factor of and doubling the radius.3.tripling the length and reducing the radius by a factor of .4.reducing the length but a factor of and doubling the radius.

Anybody wanna ? (picture included? )

The two required components for a generator are