Handicare Freecurve
50
Capacitor
A capacitor is made up of two metallic plates. With a dielectric material in between the plates. When you
apply a voltage over the two plates, an electric field is created. Positive charge will collect on one plate
and negative charge on the other.
Therefore a capacitor is a device that can temporarily store an electric charge.
The amount of capacitance of a given capacitor is usually measured in microfarads, abbreviated μF.
Diode
LED
LED stands for Light-Emitting Diode. It’s a type of diode that emits light when it has a current flowing
through itself.
The LED has two pins called anode and cathode.
The anode is the longest pin. This is the pin you connect to the most positive voltage. The cathode is the
pin you connect to the most negative voltage. They must be connected correctly for the LED to work.
A diode is a device that lets current flow in only one direction.
A diode has two terminals, called the anode and the cathode.
Current will flow through the diode only when positive voltage
is applied to the anode and negative voltage to the cathode. If
these voltages are reversed, current will not flow.
Содержание FREECURVE Basic
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