valentinanovae created a new article
20 w

Who Invented LED or the Light Emitting Diode? | #lâmpada vela led e27

Who Invented LED or the Light Emitting Diode?

Who Invented LED or the Light Emitting Diode?

In a flashlight, for instance, a wire filament is connected to a battery through two terminals, one (the anode) bearing the unfavorable electric charge and the opposite (the cathode) bearing the.