Electronics.stackexchange.com

Will RF cause any health problem

A large number of studies have been performed over the last two decades to assess whether mobile phones pose a potential health risk. To date, no … See more

Actived: 7 days ago

URL: https://electronics.stackexchange.com/questions/101747/will-rf-cause-any-health-problem

Charge and discharge cycles for optimum battery health

WEBIt depends on the chemistry of the battery. The cycles you are referring to is to avoid what is called the memory effect and happens in nickel-cadmium and …

Category: Health Go Health

If Li-Ion battery is deeply discharged, is it harmful for it to remain

WEBIt is well known that Li-Ion batteries should not be deep discharged. But sometimes they do discharge deeply. Is it OK for the device to remain in such state for a …

Category: Health Go Health

How to Calculate the time of Charging and Discharging of battery

WEB\$\begingroup\$ The charge formula above assumes a 100% efficiency charge, so it's not ideal, but it is a good, simple way to get a rough idea of charge time. …

Category: Health Go Health

Frequency ranges that causes a hazard to humans

WEBPossibly related, maybe not, low frequency basically in the heartbeat range 60Hz or so, at high power, can cause pacemakers to not be able to sense their humans …

Category: Health Go Health

Why are life cycles used as a measure for battery health

WEB(1) For example, for the DoD vs expected life graph in your question (I don't know where you nicked it from, although it says first results from Google still we don't …

Category: Health Go Health

Why do some electrolytic capacitors increase in capacitance with …

WEBCapacitance can be shown to be equal to material permittivity times surface area divided by distance between the plates. Now for an electrolytic capacitor you have …

Category: Health Go Health

What's more dangerous

WEB14. There lots of people claiming that 240VAC is much more dangerous than 110VAC. Some even find it insane to have 240VAC. I think this claim comes mainly from …

Category: Health Go Health

Which are the safety recommendations for soldering

WEBIn some very rare cases, soldering can cause splatter, which a mask prevent from getting into your eyes. Keep in mind that the vast majority of people soldering …

Category: Health Go Health

How much voltage/current is "dangerous"

WEB\$\begingroup\$ I'll let more experienced users write the whole story, but basically it's power that kills, or better yet, current through vital organs which depends on the current …

Category: Health Go Health

Are solder fumes bad for me

WEB76. Solder fumes aren't very good for you. Some people can become sensitized to flux fumes, especially from the older rosin flux used in cored solder, and get breathing …

Category: Health Go Health

How does a smart phone measure battery percentage

WEBA smartphone (assume it to be an Android) usually displays the battery percentage from 0 to 100%. I am assuming that this is the usable capacity of the battery. I have several …

Category: Health Go Health