A small dc motor with a off balance flywheel is mounted in the mobile that cause the vibration
No it doesnt and wont vibrate when it is being charged.
In the same exact manner as you do when the mobile phone is on ringing mode.
From your home screen, Settings, Call, Call Settings, Turn off Vibrate, menu Save. DONE
it can be made to vibrate by putting an electric current through it
Yes
If a mobile home is not set up correctly, it will vibrate. Some people choose to underpin the home with brick, or soil to reduce noise and vibration.
It has to vibrate.
vibrate is somthink
No. The only Apple products that vibrate are the iPhones
it cause it to vibrate!
Well, it can vibrate very fast.
No, they vibrate more.