Crackling sound on Computer Monitor/TV screens?

Question

I have noticed since I was tall enough to place my hands on our family TV Screens (Colour) that they made crackling sounds whenever you rub them.What could be the cause of such sounds please?Even right now I am almost certain if I do so on my computer screen I would obtain the same observation.Some said electro something but what exactly ?

Answer 1

It's Static electricty -
A layer of charged material is coated on the inside surfcae of the screen to attract electrons from the cathode ray tube.
A small charge can be present on the outside of the screen.

When you touch it you are discharging the static through your hands and the crackling noise are thousand of tiny charges being dissipated.

this is also why dust is attracted to screens - it is pulled there by the charge. some new cleaning sprays prevent static build up and help prevent dust forming there....

Answer 2

u have forgotten it frnd it was taught in school. When a tv or monitor is turned on it works on a sysytem and creat image using crystals and on the front panel some current is there its negative if u rub ur hands or try nylon , polyster it sunds. the sam system the thunder in the sky.

Answer 3

The TV screen is charged with particles to enable you to see the picture. When it is switched off, there is a residual charge, not harmful,and when you place your hand close to the 'tube' the electrostatic discharge is made. This is what you hear.

Answer 4

unplug the tower from electricity and use your nostril to discover the commencing place and there must be a burnt section around some thing on the mummy board or the powersupply will scent incredibly undesirable.

Answer 5

static