Most water you’d drop a phone into has enough traces of salt to make it conductive. Therefore, the water acts like a faraday cage. Theres a calculation you can do to calculate this, its pretty standard E&M stuff.…
Most water you’d drop a phone into has enough traces of salt to make it conductive. Therefore, the water acts like a faraday cage. Theres a calculation you can do to calculate this, its pretty standard E&M stuff.…