Questions tagged [volts]
The volts tag has no usage guidance.
37
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Is this PSU safe for this Christmas light string
I have an orphan 50 LED Static light string with label stating:-
"Complete supply chain 3V, 1.5W, IP44" which has no power supply.
I also have a power supply which is also orphaned i.e. it ...
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2
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Learning about DC voltage [closed]
I have a step up booster that increases my 36 V battery to 50.1 V. If I plug it into my 48 V battery which charges to 54 V it still reads 54 V on the multimeter. I'm wondering why. Could it be ...
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Solar panel output volts and amperes are higher than the battery but it won't power a small DC motor [closed]
Why won't my DC solar panel power a small DC motor when the output volts and amperes are higher than the battery that does power it?
Thankyou everyone..Alot to review
Regards
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2
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Is there an electronic version of this mechanical system?
I'm asking this question in this way because I don't know any other way to explain what I'm trying to do.
Imagine you have 2 gears, gear A and gear B, gear B is 3 times larger then gear A. So, if gear ...
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4
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Switch that is rated for 24 V and 4 A: can it endure 8 A if I limit the voltage? [duplicate]
I have a switch that is rated for 24 V and 4 A. Can this switch endure 8 A if I limit voltage? What voltage would I have to limit to? My concern would be not to melt the switch with too much power. ...
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Effect of two welders working on the same piece
I am a beginner in arc welding and am fairly conversant in electrical concepts. I am told that two people working on the same piece do not affect each other. But my electrical background is telling me ...
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How long would a 48 volt battery with 40 Ah last with a 2000 watt motor?
If it is not over 3 hours what would be good to make it last longer? I am trying to build a 48 volt dirt bike with 2000 watts.
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Getting 45.6 Ω when it should be 60 or 120 Ω on CAN bus
We have a 2011 Chrysler 6.1L Hemi SRT. We can not get any diagnostic reading at the DLC or OBDII port. We have checked all the wiring, fuses etc.
Our readings at the DTC connector are as follows: CAN ...
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Electrical Voltage Conversion Confusion [closed]
so my friend bought a drumset from America and had it shipped all the way here to Amman, Jordan. Of course im going to need a convertor for the voltage difference between the 2 countries. However I'm ...
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Energy consumption Calculation
I work for a food processing plant and working on a project that calculates energy consumption. Am having a hard time converting information given by the manufacture to calculate the average kWh. ...
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Why are high power LEDs categorized by wattage, not voltage & amperage?
In searching for the correct replacement LED for a project, I've noticed that, more often than not, high power LEDs seem to be primarily categorized by their wattage. Why is this the standard?
It ...
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How to correctly wire LEDs and minifans into my greenhouse cabinet [closed]
I am building a small 4-shelf vertical indoor greenhouse. Each shelf has a 3-port USB hub-splitter which powers 1 USB minifan (5V, 1A) and 2 strips of 50cm USB LED lights (5V, 1.8A (30 * 0.06)). Then ...
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Powering a 1 watt LED using a 3 V coin cell
I was hoping to power a 1 watt LED (would be great if this is capable of powering 2 or 3 watt LEDs) with a 3 volt coin cell.
Will the coin cell be able to output voltages and amperages that are ...
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Chargers for modern devices, understanding compatibility
When a device (say a modern MacBook charger or GaN charger) lists modes, such as...
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Is it wattage that kills you and not specifically amps
First of all the actual amounts needed to kill and the body resistance is not important for this scenario.
Let's say we are working with dc.
Let's say that 100ma is enough to kill across the chest ...
