Not enough to worry about. That's like asking how many amps does the memory preset's on your radio draw. It is in the .001-.01 range.
12 volt dc at 126 watt led bulb what is the amperage
126 watt
You can purchase a 12v LED online from the Amazon website. Once on the page, type "12v LED" into the search field at the top of the page and press enter to bring up the items.
Depends. Whats the amperage rating on the bulb and the battery? Is the 12 volt bulb LED? The equation to find your answer depends on how much your 12 volt bulb is drawing and how much your battery has. I have seen 12 volt bulbs that are searchlights and I have seen 12v bulbs that are little LED ones. Huge difference in the amperage draw which will have a massive difference in your answer to how long your 9 volt battery will last. Same goes for the amperage of your battery. I have been in the military and seen 6 volt batteries that are smaller than a AA and I have seen the 6V at walmart that are decent sized and much bigger than a 9v.If you want to power your 12v bulb for a long time, connect two 6v batteries in parallel. That will give you lots of amperage and a full 12 volts.Another AnswerA 12-V incandescent lamp, operating at 9 V, will operate well-below its rated power and will, therefore, last much longer than it it were operated at 12 V. Further to the original answer, lamps don't have 'amperage' (current) ratings and is certainly unrelated to 'how much the battery has'! Finally, in order to achieve 12 V, two 6-V batteries would need to be connected in series, NOT parallel.
Has nothing to do with the intensity of the LED, and all to do with the voltage/amperage of thediode, and the voltage of the system it is supposed to be used with.
A 12v LED TV is a 12 volt usage Television set that is designed to conserve energy and be efficient at the same time. The 12v LED TV is suppose to give high quality resolution along with reducing your energy cost.
yes
12w at 12v = 1amp 3/12=0.25 0.25amp = 250ma 2.5ah= 2.5amps per hour 2.5/0.25=10 A 3w led at 12v 2.5ah battery will last 10 hours.
48 ohms
Probably a transformer that converts voltage from 120v AC to 12v DC. Commonly found at Radio Shack or an electronics store. Depending upon how much the lights draw for current, you have to find a transformer that will supply that current. Such as .5 amp or 2 amps or as much as 5 amps-----.
Target is by far the best place online to purchase your 12v led TV adapter. They offer exceptional quality at a reasonable price. The most preferred brand is Sony.
50 resistors
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Depending on the purpose of a 12V LED light, it can either be found at many automotive centers or hardware stores. In North America, common examples of these would be Walmart, Canadian Tire, Home Hardware and Kent building supplies.