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Q: Because solid state diodes have no filament?
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What are the classifications of diodes?

a diode is a device that alows current to flow in one direction you have power diodes which are used in rectification processes and high current operations but the two main families of diodes are solid state diodes or valve operated diodes.


What state of matter is the element strontium in?

It is in a solid state of matter.


What does OA stand for in OA 79 germanium diode?

It is not "OA 79" it is "0A79", that is the digit zero not the letter "O".The designation of 0A79 is inherited from old designation system for Vacuum Tubes.0 - 0V heater/filament or no heater/filament meaning a Cold Cathode deviceA - Low Current Diode79 - an arbitrary unique number identifying the specific device type, in this case a solid state germanium diode not a vacuum diode or gas diode


Why tungsten filament does not obey ohm's law?

A tungsten filament does follow Ohm's Law at any instant of time. You may be confused in that the filament resistance changes from its "cold" state to its "hot" state. When cold the resistance is about 1/15 the resistance of what it is when the filament heats up, which happens very quickly. At any instant Ohm's Law holds. When the voltage is applied you have an initial current draw that exceeds the steady state current draw based on the change in resistance.AnswerOhm's Law either applies, or it does not. It cannot apply 'at an instant of time' -a change in current is either proportional to a change in voltage, or it isn't!A tungsten filament does not obey Ohm's Law, because the current flowing through the filament does not increase in proportion to the applied voltage. This is because the resistance changes due to the filament's increasing temperature as the applied voltage increases. This is why Ohm's Law specifies that current is proportional to voltage, provided the temperature remains constant.Although tungsten doesn't obey Ohm's Law, the so-called Ohm's Law equation applies whether a circuit obeys Ohm's Law or not. This is because the formula is really derived from the definition of the ohm, and not from Ohm's Law itself, which makes absolutely NO reference to resistance!


Are diodes polarised?

Yes, diodes are very polarity sensitive. They conduct in one direction, the forward bias state, where the anode is more positive than the cathode, and they do not conduct in the other direction, the reverse bias state, where the cathode is more positive than the anode. (Assuming you do not exceed forward current or reverse voltage limits.) This is how diodes "rectify", i.e. convert from AC to DC.This is for normal diodes. Zener diodes are different. They conduct in both directions, but at different voltages. The forward voltage is similar to a normal diode, typically around 0.6V to 1.4V, while the reverse voltage is higher, such as 5.6V, which is how a zener diode can be used in a voltage regulator circuit.If, however, when you say "polarised", you mean the action of "polarising" an automobile's electrical system, do not even think about it. That technique is no longer necessary since the advent of the alternator. Besides, that technique involves shorting out the battery, which has always been a highly dangerous operation.

Related questions

What are the classifications of diodes?

a diode is a device that alows current to flow in one direction you have power diodes which are used in rectification processes and high current operations but the two main families of diodes are solid state diodes or valve operated diodes.


What solid - state components in a mobile phone maintain proper voltage levels in the circuits?

Diodes


What kind of gas is in a red LASER diode?

None, LASER diodes are solid state semiconductor devices.


What displaced the vacuum tube in most electrical circuits?

Solid state electronics (diodes and transistors primarily)


What solid-state devices can be made from semiconductors?

Two types of semiconductors can be combined in different ways to produce different solid-state components. These components include diodes and transistors.


What is the solid state diode?

A solid-state diode is a semiconductor device that allows current to flow in one direction only. It consists of a p-n junction where the movement of charge carriers across the junction creates the diode's characteristic behavior of allowing current to flow when forward biased and blocking it when reverse biased. Solid-state diodes are widely used in electronics for rectification, signal modulation, and switching applications.


What has the author Anthony M Ames written?

Anthony M. Ames has written: 'Solid-state transit-time diodes'


What state of matter is a light bulb?

A light bulb is typically a solid state of matter, as it is made of materials like glass, metal, and plastic. Inside the bulb, the filament is in a gaseous state when the bulb is switched on, but the overall state of the bulb itself remains solid.


What is a Solid State Radio?

"Solid State" refers to any electronic device, in this case a radio, that functions on transistors and crystals, rather than vacuum tubes or other heated-filament components. Its basically synonymous with "transistorized."


Does a led light have a filament?

yes it is it is the part that gives the light bulb power


Is filament a state of matter?

No.


What is the state of matter of earth inner core?

The state of matter of the inner core is solid because of the immense pressurea solid because its made up of solid iron and nickel