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No, a diode can rectify an AC signal but is not able to amplify an AC signal. Diodes are two layer devices whereas transistors have three. It is this very thin 'base' region in the transistor that gives it the ability to give a voltage or current gain.

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14y ago
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13y ago

A diode can be used as a switch by putting both sides to power. When the "out" side of the diode's power is cut off and acts as a ground allowing power to flow through it.

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Q: How diode can be used as switch?
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Related questions

Does a zener diode acts as a switch?

A zener diode cannot be used as switch.


Can diode work as switch?

yes diode can be used as a switch as it conducts current in only one direction.it is a open switch when it reverse biased.and as aclosed switch when it is forward biased.but we consider diode as ideal .


What is use of the diode?

The use of the pn diode is for rectification. It can also be used as a switch.


What can diodes be used for besides rectification?

Besides rectification, the diode can be used as a switch.


What is use of diode?

Diode is a two terminal semicon. Diode is a Switching device


How does pn junction diode can be used as an electronic switch?

A diode allows current to flow in only one direction. If the current is flowing, the diode has a low resistance and it behaves like a wire or a switch in the on position. If the voltage across the diode is reversed, no current flows and the diode has a very high resistance. It behaves like a switch in the off position. DC voltages are used to switch the diode on or off. The signal that is being switched is usually an AC audio or radio signal. Capacitors block DC but pass AC signals. By combining diodes and capacitors, the AC and DC signals are kept separate and the switch can be built.


What is similar to diode operation?

switch is similar to diode action


How does a p-n junction diode work as a switch?

diode conducts in forward bias.so it is on switch. in reveres bias it will not conduct.so it is off switch


What is a device made of semiconductor material that acts like a switch controlling the flow of electrons in a chip?

if a diode is in forward biased the diode acts as switch is on and when we apply the diode in reverse biased then it work as the switch as off.


What is the use of PN diode?

there are many uses. one major use i remember is in rectification i.e convert ac to dc For switch operation


What is Transit time in transistor or diode?

A transistor is a switch. A diode directs the flow of current.


Can a diode be used as rectifier diode?

yes, diode can be used as rectifier diode to convert ac to dc