I am guilty of this as well. Sometimes I do just that, while my handphone is being charged then I would still be using it. Today I received an email from my nephew on this. I have no idea whether this is true or not. I am quite sure that a few of you would have received it as well. If anyone of you know the authenticity of this claim please share with us. If this is TRUE somewhat, please take this as a precaution.
Subject: FW: Do not use your phone while charging.
I send this message to make you aware of the danger potential
of the commonly used cellular phone. A few days ago, a close relative of mine
was recharging his cellphone at home. Just at that time a call came and he
attended to that call with the instrument still connected to the mains.
After a few seconds electricity flowed into the cellphone unrestrained
and the young man was thrown to the ground with a heavy thud. His parents
rushed to the room only to find him unconscious, with weak heartbeats and
burnt fingers. He was rushed to the nearby hospital, but was pronounced dead
on arrival. The cellphone is a very useful modern invention. However, we
must be aware that it can also be an instrument of death. Never use the
cellphone while it is hooked to the mains!
This is my humble plea.
Dr. D. Suresh Kumar R&D