0
Add your answer:
Earn +20 pts
How can a faulty photocell be detected?
By covering the photo cell and if the relay coil doesnt work.
How is photocell connected to lamps as a switch?
The photocell would typically control a relay. The power to the lamp would go to one pole of the relay and the lamp to the other. The common wire and ground would go directly to the lamp. The relay would be normally open and would close when the light energy on the photocell decreased to an amount that would trigger a circuit to close the relay.
Why would lights come on by themselves?
Perhaps they are on a timer or photocell.
Where do you buy a 6 volt replacement photocell?
You can buy 6v photocell dusk to dawn switches from Acetek photocells
How long is the pregnancy hormone detected on a test?
it is detected 3minutes after you urinate on the test stick..... if it takes any longer than 4minutes then the test is not reliable as it could be faulty... the pregnancy hormone detected on a test will then last/stay on the test for how ever long you keep the test!
How does a roof affect the position of a photocell?
the roof is slanted so you will need to put your photocell on the side of the roof where the sun is shining
What happens if gamma rays falls on a photocell?
Gamma rays typically have enough energy to ionize atoms in the photocell material, releasing electrons. This can result in a current being generated in the photocell, which can be used to detect the presence of gamma rays.
How do you replace a photocell on your outdoor light post?
# Turn off the power to the lamppost circuit at the breaker box. # Unscrew the mounting screws holding the lamp in place, and pull the lamp fixture from the post. Remove the wire nuts, and use the circuit tester to be sure the power is off. # Disconnect the wires to the fixture and the photocell. # Disconnect the locking nuts that hold the existing photocell on the post, and remove the photocell. If your lamp doesn't have a photocell, you'll need to drill an access hole in the post to install one. # Install the adhesive foam ring (provided with the photocell) around the mounting hole. # Run a bead of silicone sealant around the photocell where it will press against the interior of the lamppost. # Push the sensor through the mounting hole, and secure it with a locking nut. # Add silicone sealant inside the lamp fixture at any point where moisture might leak through to the photocell. # Connect the white wires from the power supply, lamp, and photocell together. Secure the connection with a wire nut. Connect the black photocell wire to the black power supply wire in the same manner. Connect the black lamp fixture wire to the red photocell wire and secure the connection with a wire nut. # Reainstall the fixture on the lamppost.
When light strikes a photocell does the resistance increase or decrease?
When light strikes a photocell, the resistance decreases, allowing current to flow more freely.
In a photocell light energy is converted into?
In a photocell, light energy is converted into electrical energy. When light strikes the photocell surface, photons of light are absorbed, releasing electrons that create an electric current.
How does a photocell work in a kerosene heater?
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.
What is the term for a type of cell that converts the sun's energy into electrical energy by releasing the electrons from silicon?
This would be called a photocell.
