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Diode is a generic name for many different electronic devices that have 2 electrical connections. The most common one (rectifier diode) will let current through in one direction, but not in the other, but several other "diodes" exist, like the Zener diode that absorbs excess voltage, or the light emitting diode that emits light. Some common devices, such as a a resistance, also have 2 connections but are not traditionally called a "diode".
A diode can also be used as a clamp, and as a detector (mixer) in an a.m. receiver.
Wiki User
∙ 12y ago
Wiki User
∙ 15y ago# A two-terminal semiconductor device used chiefly as a rectifier.
2. An electronic device that restricts current flow chiefly to one direction. I didn't get third one, let me know. Thanks Pasha
Wiki User
∙ 15y agoProbably something other than a signal or rectifier application!
Wiki User
∙ 12y agoA diode allows current to flow to only one direction.
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Voltage-current characteristics of ideal diode?
An ideal diode would match the purpose of a diode without any of the drawbacks. The purpose of a diode is to control current flow - The diode "turns on" for current flowing in one direction, and "turns off" if current wants to flow in the other direction. Ideally, there would be no voltage drop across this diode when allowing current flow, thus no power loss. When the diode is "turned off" by a negative voltage, idealy there would be no current flow (no matter how large the negative voltage).
How do you connect a diode across a ac coil?
You mean ac coil, the secondary coil, of a transformer? Then for the purpose of rectification, that is , for changing ac into dc, a diode is connected in series with the secondary coil of the transformer.
What is the purpose of an cathode and an anode in a diode?
The cathode and anode are simply two terminals of a semi-conductor junction. In a normal diode, forward bias occurs when the anode is more positive than the cathode.
How is zener diode different from a conventional diode or ideal diode?
zener diode :zener diode operates under reverse bias voltageideal diode :ideal diode operates under forward bias voltage
Can a diode be used as rectifier diode?
yes, diode can be used as rectifier diode to convert ac to dc
What is the purpose of clamping diode in a positive diode AND gate?
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What is the purpose of the diode in the GM AC clutch circuit?
The purpose of the diode is to prevent electricity to flow in the wrong direction in a circuit. The purpose of the diode is to prevent electricity to flow in the wrong direction in a circuit.
What is the purpose is of a diode?
The purpose of a diode is to allow electric current to pass in one direction while blocking electric current in the opposite direction. It is for this reason that diode is usually referred as the check valve.
What indicate 1 in 1N4007 diode?
general purpose diode with 1000V reverse breakdown.
What is the purpose of a diode in a cordless drill or power screwdriver?
it controls the speed. when the diode is busted it gains into fullspeed
What is the purpose of the zener diode in a power supply?
to limit the voltage or regulate the same.
What is the purpose of half wave rectifier?
it has only one diode
What is the purpose of a zener diode when placed near the output in a common power suplly?
The purpose of a zener diode connected at the output of a common supply is to stabilize the output voltage in case a load is connected to it.
Voltage-current characteristics of ideal diode?
An ideal diode would match the purpose of a diode without any of the drawbacks. The purpose of a diode is to control current flow - The diode "turns on" for current flowing in one direction, and "turns off" if current wants to flow in the other direction. Ideally, there would be no voltage drop across this diode when allowing current flow, thus no power loss. When the diode is "turned off" by a negative voltage, idealy there would be no current flow (no matter how large the negative voltage).
What is the purpose of a diode in a cordless drill or power screw driver?
The purpose of a diode in a cordless drill or power screw driver is to allow electricity to flow in one direction only and blocks the flow in the opposite direction.
What is the purpose of the diode inside the relay?
If it is a light emitting diode it is there to let you know that the relay is energized. In my experience, when a DC current is removed from a coil, the polarity of the magnetic field reverses and if it weren't for the diode, the relay would "chatter". The diode polarity is oppsite of the actuating voltage.
Can you use a capacitor instead of zener diode in biased clipping circuit?
No. The purpose of the zener diode is to clip (turn on) at a certain voltage. A capacitor will not exhibit this behavior.
