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What happens when you connect 230V ac supply directly to a diode?

Anonymous

∙ 12y ago

Updated: 10/18/2022

You get a violent explosion as the diode vaporizes.

Wiki User

∙ 12y ago

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Q: What happens when you connect 230V ac supply directly to a diode?

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How do you connect diodes in series?

Connect positive to negative, leaving the end positive and negative connections free to power circuits or devices. Connecting batteries in series adds the voltage of the batteries. For instance, connecting three 12v car batteries in series will create a total of 36v, enough for welding.

Why you use negative source in emitter biasing?

to get the base- emitter junction forward bias we should connect the negative of the diode with the negative of the battery and the positive of the diode with the positive of the diode so we should connect negative source in the emitter

What is the purpose of the zener diode in a power supply?

to limit the voltage or regulate the same.

What happens with voltage and current by damaged diode...the diode is IN5408?

It depends on how the diode is damaged. There are generally two cases. One, the diode is shorted, and conducts with a low impedance in both directions. The other, the diode is open, and does not conduct, having a high impedance, in both directions. The effect depends on the particular circuit. In a power supply, a shorted diode will often blow the fuse, while an open diode will result in no output, or in high ripple voltage output. Is it possible that diode has normal voltage output but wrong current,meaning low mA?

What is the supply for a diode?

The diode voltage drop is 0.7 volts, so you need that much to turn it on. Current is controlled by a resistor in series.

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Related Questions

What happens when you connect 230V ac supply directly to a diode with the help of resistor of the order kilo ohms?

When you connect 230V ac supply directly to a diode with the help of resistor of the order kilo ohms, the diode will conduct on alternate half cycles. Forward bias current will be 230ma for 1KOhm, or 23ma for 10KOhm. Power across the resitor will be 25W for 1KOhm, or 2.5W for 10KOhm. Bottom line - the resistor will get very hot - and if not rated correctly, will be destroyed.

How to construct a battery eliminator?

First you connect a trnsformer to the main supply and then a rectfier .youmay connect a zener diode or a resistor or a capacitor as a filter circuit

How do you connect diodes in series?

Connect positive to negative, leaving the end positive and negative connections free to power circuits or devices. Connecting batteries in series adds the voltage of the batteries. For instance, connecting three 12v car batteries in series will create a total of 36v, enough for welding.

Why you use negative source in emitter biasing?

to get the base- emitter junction forward bias we should connect the negative of the diode with the negative of the battery and the positive of the diode with the positive of the diode so we should connect negative source in the emitter

What happens when the temperature of a forward biased diode is increased?

What happens depends on the temperature coefficient of the diode. If that diode has a positive temperature coefficient, it resistance increases with increased temperature. A diode with a negative temperature coefficient does the opposite.

What is the purpose of the zener diode in a power supply?

to limit the voltage or regulate the same.

What happens with voltage and current by damaged diode...the diode is IN5408?

It depends on how the diode is damaged. There are generally two cases. One, the diode is shorted, and conducts with a low impedance in both directions. The other, the diode is open, and does not conduct, having a high impedance, in both directions. The effect depends on the particular circuit. In a power supply, a shorted diode will often blow the fuse, while an open diode will result in no output, or in high ripple voltage output. Is it possible that diode has normal voltage output but wrong current,meaning low mA?

How do you test an hv03-12 high voltage diode?

place the multimeter on the diode. then connect the plobs to the hv diode. it can only conduct in one direction, not both ways. good luck

What is the supply for a diode?

The diode voltage drop is 0.7 volts, so you need that much to turn it on. Current is controlled by a resistor in series.

How do you find voltage rating of zener diode?

It should be marked, either on the diode or on the box it came in. If you can't find the mark, then you have to measure it yourself. Take the zener diode, a battery or DC power supply, and a resistor. Wire them all in series, with the NEG (cathode) end of the diode closer to the POSitive side of the battery or power supply. Connect your voltmeter across the diode, and slowlyincrease the power supply output voltage while watching the meter. You'll see the voltage across the diode increase slowly, tracking the power supply, until you reach the Zener voltage. At that point, the voltage across the diode won't increase any more; it'll just stay there at its 'reverse breakdown' voltage, which is the Zener voltage. (If the voltage across the diode goes to around a volt and won't go any higher, the polarity is wrong. Reverse either the diode or else the power supply.) You probably want a wild guess at what the value of the resistor should be. That's difficult to specify if I don't know the power rating of the Zener diode you're testing. I'm going to make the following suggestion completely in the blind: Select the resistor to limit the series current to 30 mA even if you have to crank the power supply up to 50 volts. R = 50/.03 = 1.5 to 2 K-ohms, rated for a couple of watts.

Describe forward-biased diode?

A specific amount of current is allowed to flow through a diode. If the current passing through the diode exceeds this specific value, the diode gets heated and is likely to be damaged. Therefore, in the biasing circuit of a resistance which limits the current passing through the diode within its specific value is called Forward biased diode. ANSWER: A forward bias diode is just a diode that it is conducting in the forward direction. Positive to anode and negative to cathode

What happens when diode is supplied with a voltage higher than RIV in reverse bias?

when diode is supplied with a voltage higher than RIV in reverse bias, the diode will burn out and will have zero resistance.

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