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Voltage applied (voltage at source, resistance of wire and conections etc), ground resistance, designed brightness of element in comparison to the applied voltage
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∙ 13y ago
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What will happen to the lamp if current decreases?
brightness will decrease
Do the brightness of a lamp depend upon current?
yes
What is the relationship between the speed of a bicycle and the brightness of its lamp?
the faster the speed of the bicycle,the brighter the lamp
How do I pick out the right lamp?
I would buy lamps that would provide the most output of light that you are looking for. Also think about the height of the lamp and size of lampshade. Lastly the brightness of the bulbs will need to be considered.
What part of the microscope help adjust the brightness of an image?
Brightness can be changed by changing the voltage to the lamp and adjusting the condenser and diaphragm/pinhole apertures.
What two factors does absolute brightness depend on?
the watts in the lamp and the volts behind the light
Is it true that when a round bulb and a long are connected in a parallel circuit the long bulb is brighter than the round bulb?
Bulbs that are connected in parallel would be the same brightness as a bulb on its own. If the bulbs were in series with other bulbs, then they would be dimmer. The voltage would drop across a series.
What size bulbs go in standard lamps?
This depends on the style and size of the standard lamp in question and the brightness you require from it. There will be a sticker on the lamp which tells you what you need.
Would the brightness and color of the Moon look the same at moonrise that same day everywhere on Earth?
no , depending on your climate of the area you are around during moonrise will affect the brightness of the moon but not the color.
How many amps are being used in an LED hundred watt flood light?
To answer this one would have to know if by "100 watt" you mean actual power used by the LED lamp or the wattage equivalence to an incandescent lamp of the same brightness. In the second case (which is the most likely) you would have to read the package that the LED lamp came in to get actual power used.
Does age affect the brightness of stars?
Yes, Yes it does!
Does adding more wires affect the brightness of the bulb?
NO
