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Why bulb will glow brightly with a thick wire than with thin wire?
Wiki User
∙ 12y ago
The amount of heat something can dissipate into the air depends greatly on the size of it's surface area. This is why the thinner filament will burn more than the thicker part, because the thin part can not dissipate the heat as quickly. Filaments are in the past, get LED bulbs.
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoNo. Thicker wire means less electrical resistance, ergo less heat and therefore less light.
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The right answer will depend on if you are asking about a thicker filament inside the light bulb or about thicker wires feeding current to it?
If you meant a thicker filament then the answer above is correct.
If you meant thicker wires feeding current to the lamp, then the answer will depend very much on how much the total resistance of the full circuit (of bulb and wires) changes when you change the feed wires.
This will depend on factors such as
- what voltage the bulb was designed to run on?
- what its wattage is? (And therefore what its resistance is?)
- how thick the feed wires were before you changed them, and their resistance?
- how thick they are after you change them, and their resistance?
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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.
Before you do any work yourself,
on electrical circuits, equipment or appliances,
always use a test meter to ensure the circuit is, in fact, de-energized.
IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB
SAFELY AND COMPETENTLY
REFER THIS WORK TO QUALIFIED PROFESSIONALS.
Wiki User
∙ 12y agoActually, a light bulb is thicker wire dissipates more power, and is thus brighter, than a bulb with thinner wire.
AnswerYou can work this out yourself, without having to ask WikiAnswers! To keep the mathematics simple, let's assume we have a power supply with a voltage of, say, 100 volts, and two lamps -one with a resistance of, say, 25 ohms (the thicker wire), and the other with a resistance of, say, 50 ohms (the thinner wire).
Using the equation, P = U2/R, let's do the maths:
- lamp with thicker wire: P = 1002/25 = 400 W
- lamp with thinner wire: P = 1002/50 = 200 W
So, as the original answer shows, the lamp with the thicker wire is the more powerful and, so, is the brighter of the two.
Wiki User
∙ 12y agoThink of the electrons as soda and the wire like a straw. The bigger the diameter of the straw, the faster you can drink the soda, because more soda can flow through. A skinny straw would not let the soda through quickly. Electrons can flow more freely through a thick wire than a thinner one.
Wiki User
∙ 15y agoThe thinner the conductor (wire), the hotter and brighter the bulb for a given voltage.
Wiki User
∙ 10y agoThe thickness of the wire should not affect the brightness of the bulb. It will only affect the brightness if it is too thin, then the bulb goes dimmer.
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When one terminal of the cell is joined by copper wire to the one terminal of bulband another terminal of cell with aluminium wire to the other terminal of bulb. Will the bulb glow Give reason for yo?
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Why do two incandescent light bulbs glow with different intensities when connected in the same circuit?
When you are wiring two light bulbs in SERIES, you split the voltage to each light bulb in HALF, meaning that it will only glow half the brightness per bulb, but it will only draw the current of one bulb, meaning if the bulbs were connected to a battery, it would last longer to connect them together in series, rather than parallel.
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The 2 bulb series circuit , a 3 bulb series circuit will increase resistance and therefore reduce the voltage across the bulb. The current in all points of the circuit will remain the same according to Kirchhoff.
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It will shine more brightly than when it is not full.
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Which glows more brighter a 100 w bulb or a 75 w bulb explain?
A 100 watt bulb will normally glow brighter than a 50 watt bulb as long as you are comparing similar style bulbs. You have to compare Incandescents to Incandescents, Fluorescent to Fluorescent, LED to LED, and so forth. You also have to make sure your bulbs are similar in light patterns since you can have general dispersion lighting, spot lighting, flood lighting, and so forth. So, once again as long as you are comparing like style bulbs, yes a 100 watt bulb is brighter than a 50 watt bulb.
