Static Charge on people and in general

[danyal711]

I have a few questions regarding static charge.

1) When people get charged up (by rubbing a across a carpet etc), is it the person that usually gives up electrons or gets electrons or is their no bias and it can happen either way? (I know that it depends on the materials rubbing but I am just speaking typically based on what we know about how people usually get charged (socks, shoes, sweatshirts etc...).

2) How can you detect static (strength and +/-)? Is there a digital way to do this? (also can you do this without actually affecting the system... i.e. without discharging the object...)

 

[member 553083]

3) Are there any best practices to avoid static charge in sensitive electronic devices?1) When people get charged up, it usually occurs due to a transfer of electrons. The person typically gives up electrons, while the material being rubbed usually gains electrons, resulting in a net transfer of electrons from the person to the material. This is typically the case, but it is ultimately dependent on the materials involved.2) Static charge can be detected with a variety of methods, including the use of electrostatic field meters or electrostatic voltmeters. These instruments measure the strength and polarity of the static charge. It is possible to detect static charge without affecting the system, as these instruments measure the amount of charge present without directly discharging it.3) Best practices to avoid static charge in sensitive electronic devices include using conductive materials, such as antistatic bags and antistatic mats, to dissipate any static charge that may build up. Additionally, it's important to ground any electronics equipment, either directly to the earth or to a common point ground. Finally, wearing antistatic clothing and footwear when handling sensitive electronics can help reduce the risk of static discharge.