True or falseif not properly ventilated, electrical appliances could catch fire.

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.