Tres cargas puntuales están ubicadas como en la figura 3. (a) Encuentre el potencial eléctrico en el punto P. (b) Cuánto trabajo se requiere para mover una carga de 11.0 μC desde el infinito hasta el punto P.

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

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.

Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.