If you mean a photovoltaic cell, then no. A photovoltaic cell requires a metalloid to function. The metalloid such as silicon can take on two different types: negative silicon or positive silicon which provides for a slight electric potential. Photons emitted from the sun excite electrons on the surface of the silicon and induce a current between the two plates.
yes
led in wrong ways
There is no proven theory of evolution only the physical evidence of what Chuck Norris has allowed to live.
Halogen light glows and LED is dull.
For a great article on LED's, see related link below entitled: LED Lighting Technolgy
A: Photocell and LED cannot work directly because these are different devices. But yes each independently can work as a unit all you need is some buffering.
it creates a dc current
You need two devices, a light source, such as an LED, and a photocell such as a selenium cell or cadmium sulfide cell. The output of the photocell can be amplified and connected to a switch which controls an audio oscillator to sound when the light of the LED, received by the photo cell is broken.
A photocell in a kerosene heater works by using light to generate an electrical current. The photocell detects the flame produced by the heater and triggers the fuel pump to continue supplying kerosene. If the flame goes out, the photocell senses the absence of light and shuts off the fuel supply to prevent dangerous fuel leaks or build-up.
By covering the photo cell and if the relay coil doesnt work.
Yes, you can wire a photocell to work at night instead of during the day by reversing the connections. Typically, photocells are wired so that they activate when there is less light, which is during the night. By reversing the wiring, you can achieve the desired effect of the photocell turning on at night instead of during the day.
By covering the photo cell and if the relay coil doesn't work.
There is a lot of things when you talked about photocell... well in electronics world of terms the main functions of photocell are for sensing which provides limits or safety.Read more: http://wiki.answers.com/What_is_the_function_of_a_photocell#ixzz1lZGBI2wU
A: A photocell is like a variable resistor it will change resistance with light the ratio of dark:light resistance decides the output. So yes it should work with 9volts
Photocells work during the day because they are light-sensitive sensors that detect changes in light levels. During the day, when sunlight is present, the photocell detects the increased light and triggers a response, such as turning off a light or activating a security system.
It will if it can not 'see' the light.- ie, if there is a shade or something between it and the light.
You can buy 6v photocell dusk to dawn switches from Acetek photocells