Sentences with phrase «small electrical voltage»
A small electrical voltage applied to one electrode — called the «gate» — increases the electrical conductivity between two other electrodes, allowing a large current to flow from one to the other.
http://www.sciencemag.org/ Not exact matches
It uses a small device that generates low - voltage electrical pulses to stimulate nerves, and thus provides targeted pain relief without opiates or surgical intervention.
In the tests, the amount of electrical power generated is small: Voltages are about 0.2 volts, and currents about 2 milliamps, Nicolau says.
They managed to switch this plasmon propagation on and off, simply by applying an electrical voltage, demonstrating the control of light guided in channels smaller than one nanometer.
At the same time, she measured electrical signals in neighboring neurons using microelectrodes that can record small voltage changes across a neuron's membrane.
After obtaining a degree in electrical engineering in 2007, Murillo built a small business that provided products and services to the low - voltage housing market (think home theaters).
The change of resistance of a PT100 is tiny, about 0.00385 Ohm per degree Celsius, so you need an electrical amplifier to multiply the small corresponding change in voltage to a value acceptable by the datalogger (Thermistors have a much much greater resistance change per degree Celsius, but are more non-linear and more imprecise).