Effects of electric current

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Effects of electric current

Light

Light Emiting Diodes (LED)

Fluorescent Tubes

Incandescent Bulbs

Electromagnetic Effects

Electric circuit generates a electromagnetic field

Sound

This can happend thanks to piezoelectric effect which change shape when electricity is applyed making the speaker or buzzer work.

Electricity can be transformed into sound through some devices

Buzzer

Bell

Heat

E = I^2 x R x t

The movement of electrons colliding themselves with others create heat