Honeywell thermostat

A photodiode may be used to detect optical signals as we observe the change in current with change in light intensity when a reverse bias voltage is applied. Under a reverse biased condition, it has a

Are heaters just giant resistors? Yes. elements such as an electric furnace, a local radiator and baseboard heaters are in fact a very hot giant resistance. an electric water heater is just a big res

How do transformers work?The transformer has a laminated iron core and only operates with an AC power supply on an electromagnetic conductor. example: the primary coil has 1200 turns, 120 Vac is appli