0
What else can I help you with?
When its bright does an LDR have a high or low resistance?
When it is bright, a Light Dependent Resistor (LDR) has low resistance. LDRs are designed to decrease their resistance in response to increased light levels, allowing more current to flow through them. Conversely, in low light conditions, their resistance increases. Thus, the resistance of an LDR is inversely proportional to the intensity of light it receives.
Explain the working of LDR and mention any five applications of LDR in detail?
A photoresistor, light dependent resistor (LDR) or cadmium sulfide (CdS) cell is a resistor whose resistancedecreases with increasing incident light intensity. It can also be referred to as a photoconductor.Applications:camera light meters, street lights, clock radios, alarms, and outdoor clocks
How is the brightness of the LED affected by different resistor values?
LED's are light emmitting diodes. diodes have a voltage threshold that must be reached for them to fully "turn on". A resistor can be used to limit that voltage. As the voltage drop across the diode is increased above the turn on voltage (typically .5 - .7 volts), the diode will emmit light. The LED will only light up so far, so by turning the voltage up significantly more will have a very limitted payback in light output.
What is the need of preset resistor in ldr circuit?
A preset resistor, or variable resistor, is used in an LDR (Light Dependent Resistor) circuit to adjust the sensitivity of the circuit to light levels. By varying the resistance, it allows fine-tuning of the threshold at which the circuit responds to changes in light intensity. This is particularly useful in applications like light sensors or automatic lighting systems, where precise control over activation levels is desired. The preset resistor helps ensure optimal performance and responsiveness of the LDR circuit.
What products use Variable resistor?
Toasters and lightbulbs.AnswerA resistor is an circuit component. So, while toasters and light bulbs have resistance, they are not resistors!
What is the function of an LDR or a TDR in an circuit?
The function of an LDR or light dependent resistor is to change the brightness of the light based weather conditions or light hitting the object the LDR is on. When it is darker out, the light does not shine as brightly.
What is light that is not bright?
Black lights are not bright but when you turn them on you can see certain special things that you can't see in a regular light.
Which bright low lights are often used to light outdoor sports stadiums?
vapor lights
Which Bright glare lights are often used to light outdoor sports stadiums?
vapor lights
How bright should outside wall lights be?
Outside walls can be as bright as one wants them to be. Some prefer to have very bright lights to light up an area, while others prefer dimmer lights to accent a spot.
Why do moths fly in circles in front of bright lights?
they are attracted to the light ! :)
Which bright, low-glare lights are often used to light outdoor sports stadiums?
vapor lights
Do cats like bright lights?
Cats generally prefer dim lighting over bright lights, as their eyes are more sensitive to light than humans. Bright lights can be uncomfortable for cats and may cause them to avoid certain areas.
What does the name casady mean?
casady means [ light or shine &bright ] the meaning of casady is bright shining lights
Why are LED lights so bright?
Its because, LED light is usually in a laser light. Lasers are ussually bright, very bright. thats all, i know might be a lie. might not--
Slogan - turn lights off?
A catchy slogan for turning off the lights is "Be bright, turn off the light".
Are all lights bright?
it depends on the light, there are some that the eye is sensitive to and some that are not
