En una esfera hueca metálica las cargas eléctricas se distribuyen uniformemente sobre su superficie externa, al igual que se distribuyen en su superficie interna.

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.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane