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How long does it take for a light bulb to heat up?
Typically, it takes a few seconds to a minute for an incandescent light bulb to reach full brightness. LED bulbs tend to reach full brightness almost instantly. The time may vary depending on the type and wattage of the bulb.
How does led brightness vary with current?
More current = More brightness
Do stars have the same brightness and sizes?
No. Stars vary greatly in size and brightness.
How many lumen in a 2.3w led bulb?
The brightness of an LED bulb is usually measured in lumens. However, the number of lumens produced by a 2.3W LED bulb will vary depending on the specific type and model of the bulb. It is best to check the manufacturer's specifications or packaging for the lumen output of the specific bulb you are referring to.
Stars that can change their brightness?
the moon can vary its brightness and the pink elephant called aphadophalis
What are dimmers and resistors?
a dimmer is a device that allows you to vary the brightness of a light.
What is lighting -up time?
"Lighting-up time" refers to the duration it takes for a light source to reach full brightness after being turned on. This time can vary depending on the type of light bulb or fixture being used. Humidity, temperature, and other environmental factors can also affect the lighting-up time of a bulb.
Why could the total resistance of the circuit vary when measuring resistance using a multimeter?
Residence of one component varies overtime and from component to component.
What the mass of the light bulb?
Depending on the type of light bulb the mass can vary. A standard LED bulb weighs 6.2 ounces.
How bright is a spot light?
A spotlight typically produces a beam of light that is much brighter than a traditional light bulb. The brightness of a spotlight can vary depending on the type of bulb and wattage used. Generally, spotlights are designed to project a focused and intense beam of light over a significant distance.
Why don't stars appear to be the same brightness?
stars vary greatly in the amount of light they produce
Are the star in big dipper in the same brightness?
No, the stars in the Big Dipper are not all the same brightness. They vary in brightness due to differences in their size, temperature, and distance from Earth. The two stars at the front of the "bowl" are typically the brightest.
