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Why photodiode works only in reverse bias not in forward bias?
The fractional change due to intensity on minority charge carriers is more than on majority charge carriers. When light is directly polarized it acts like a normal diode but when reverse polarized its current depends on the brightness (intensity of incident light).
Does diode flow current in reverse bias?
Diodes will have a small leakage current in reverse bias. In most cases, this current can be considered insignificant and ignored.
A zener diode is invariably used with?
Reverse bias
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.
What will happen if the supply voltage polarity is reveresed for the case of using a diode with piv of 4.8 volt?
If we give more than 4.8 volt to a diode in reverse bias condition it will break down or destroyed.
What is breakdown condition?
all most 50Volts when diode is in reverse bias.
Why high value resistor used in reverse bias diode circuit?
In a reverse bias condition of a circuit current initially remains the same for low voltage but at the breakdown voltage current increases fast even for a small increase in voltage.hence.........
What are the different types of biasing?
Fixed Bias,Self Bias, Forward Bias, Reverse Bias
Why photodiode works only in reverse bias not in forward bias?
The fractional change due to intensity on minority charge carriers is more than on majority charge carriers. When light is directly polarized it acts like a normal diode but when reverse polarized its current depends on the brightness (intensity of incident light).
Which diode used for voltage controlled capacitor?
Varactor didoe is used as voltage controlled capacitor.it is generally used in reverse bias condition.
Characteristics of curve of an ideal diode with diagram?
0V forward bias knee voltage0 ohm forward bias resistance0A reverse bias currentinfinite ohm reverse bias resistanceno parasitic capacitance or inductance
What is the reverse bias diode?
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What is reverse bias?
in reverse bais negative terminal of battery is connected to p section and positive terminal to n section that arrangement is called reverse bais.Answer given by Sehdev Kumar B.Teh. 1st year
What is avalanche break down?
When applied voltage is higher in reverse bias condition thermally generated electrons will rupture the bonds and increase the minority carriers
What condition under is a diode never intentionally operated?
In the reverse-bias condition, the negative terminal of the source is connected to the anode side of the circuit and the positive terminal is connected to the cathode side.
Why there is no current in reverse bias condition?
Current flows in a reverse biased diode because diodes are not ideal. They do have leakage current and a breakdown voltage in reverse, just as they have a breakdown current in forward and a non-linear and non-parallel forward voltage to current curve. It is also possible that you are looking at a zener diode. A zener diode is specifically design to conduct at a certain voltage in reverse.
What are the two bias conditions for a diode?
The two bias conditions for a diode are forward and reverse
