Indica que enunciados son falsos y redáctalos de manera que sean verdaderos. - Thomson descubrió el electrón en un tubo de descarga de gases con el cátodo perforado.
- Millikan observó que la carga del electrón es un múltiplo exacto de una carga elemental.
- En un tubo de descarga de gases, los protones viajan desde el cátodo al ánodo.

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

Which of these activities increases the amount of carbon in the atmosphere?

Which of the following will cause an induced current in a coil of wire? the constant field of the earth passing through the coil a magnet resting near the coil a magnet being moved into or out of the coil a wire carrying a constant current near the coil