
Understanding the Deadly Dangers of Electricity: High Voltage vs.
Apr 25, 2007 · Arc welders work at low voltages (around 50 volts). You can not imagine an ordinary worker with several thousands volts in the hand in an outdoors yard. You cannot …
Is 5 milliamps at 240 volts dangerous? - Physics Forums
Apr 27, 2024 · Quick question, is 5 milliamps at household voltage like 240 dangerous? See many conflicting views on this, official accounts state that on an electric shock chart, 5ma is nowhere …
Plasma balls- Dangerous at all? - Physics Forums
Oct 18, 2005 · The two pictures below show what happens when you touch the bulb. Notice the *HOT* plasma channel moving upwards to my hand, which is right above the bulb.
Electric Eel: How it Creates Shock of Up to 600V - Physics Forums
Aug 2, 2005 · When eel fish senses danger, it turns itself into a living battery, Any one who attacks this fish is likely to get a shock. The potential differnece between head and tail of of an …
What could cause a battery to read negative voltage and how …
May 9, 2009 · An alkaline battery with >1.2 volts isn't necessarily a good battery. It should read about 1.6 volts open circuit to be considered good. Both batteries could have been used up by …
Why use thick wire over thin wire in electronic circuits? - Physics …
Jan 9, 2009 · If a wire to a 2kW (230v) heater is dropping 3 volts in 230 so that the heater is now down to 1950 Watts (due to the lower voltage) you could say that is neglible and the incoming …
What is Plasma-Fire and Why is it So Dangerous? - Physics Forums
Dec 16, 2013 · Another danger of plasma is the unusually elevated temperatures, usually in the 10 billions range on the Fahrenheit scale. It is so hot, that it can not melt, not gasify, but turn …
Weight Driven Generator Calculations - Physics Forums
Nov 28, 2014 · Consider that you are converting potential energy E = mass * gravity * height, into electrical energy, E = volts * amps * time. Therefore; volts * amps * time = mass * gravity * …
Relay Chattering: Causes & Prevention - Physics Forums
Dec 4, 2007 · Two common reasons: 1. When the relay 'makes' the new system load causes a step current drop in the relay drive coil due to an insufficiently sourced system power supply.
Best way to produce 1 million volts dc - Physics Forums
Apr 25, 2009 · It's not a good idea to work with high voltage if you don't know much about it, let alone work with 1 million volts. A rule of thumb is 10,000 volts per 1 cm of spark. At 1 million …