21st October 2019

sparkfun
17

Which way does a diode go in a circuit?

The positive end of a diode is called the anode, and the negative end is called the cathode. Current can flow from the anode end to the cathode, but not the other direction. If you forget which way current flows through a diode, try to remember the mnemonic ACID: “anode current in diode” (also anode cathode is diode).

Moreover, what does a diode in a circuit do?

Diodes. A diode is a discrete component that allows current to flow in one direction only. It is a polarised component with two leads, called the cathode and the anode. The cathode is normally marked with a silver or coloured band or the symbol '-'.

What is the uses of a diode?

A diode is a specialized electronic component with two electrodes called the anode and the cathode. Diodes can be used as rectifiers, signal limiters, voltage regulators, switches, signal modulators, signal mixers, signal demodulators, and oscillators.

How does the diode work?

Battery connected across the p-n junction makes the diode forward biased, pushing electrons from the n-type to the p-type and pushing holes in the opposite direction. Electrons and holes cross the junction and combine. Photons (particles of light) are given off as the electrons and holes recombine.
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