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Explain why a series resistor is necessary when a diode is forward-biased?
A series resistor is necessary when a diode is forward-biased to limit the current flowing through the diode. Without this resistor, the current can increase rapidly due to the diode's low forward voltage drop, potentially exceeding the diode's maximum current rating and causing it to overheat or fail. The resistor helps ensure that the current remains within safe operating limits, thereby protecting the diode and ensuring reliable circuit operation.
What is the current of a circuit if the voltage is 10V with a 1.2K Resistor and a diode?
you should specify: - circuit topology, I assume a series connection. - diode allows current flow? It depends how it's connected - diode forward voltage drop value if diode is in forward conduction, you have VR=10V - VDIODE and, thus, I = VR/R=(10-Vdiode)/1200.
Why is a resistance usually connected in series with zener diode?
To drop the unwanted voltage.
Which side of a diode should be connected to the positive voltage supply to make it conduct current?
The anode side of a diode should be connected to the positive voltage supply to make it conduct current. When the anode is at a higher potential than the cathode, the diode becomes forward biased and allows current to flow through it. If the cathode is at the higher potential, the diode remains reverse biased and does not conduct.
How does a diode respond when a current source is connected?
The current will flow in one direction only. That direction is indicated by, usually, a ring around one end of the diode. The current will flow from the unmarked end to the marked end.
What will happens if zener diode and resistance are connected in parallel?
If diode is connected in series then current will flow only in one direction. ie. Current flow occurs only when diode is forward biased. ANSWER: It depends are the diodes are connected in series if they are back to back no current will flow if connected in the forward conduction mode then they will conduct.
What is the leakage current of zener diode?
The leakage current of a (zener) diode is the current that leaks when a diode is connected in reverse biased.
What is leakage current of zener diode?
The leakage current of a (zener) diode is the current that leaks when a diode is connected in reverse biased.
Explain why a series resistor is necessary when a diode is forward-biased?
A series resistor is necessary when a diode is forward-biased to limit the current flowing through the diode. Without this resistor, the current can increase rapidly due to the diode's low forward voltage drop, potentially exceeding the diode's maximum current rating and causing it to overheat or fail. The resistor helps ensure that the current remains within safe operating limits, thereby protecting the diode and ensuring reliable circuit operation.
Why resistance is connected in series with P-N junction diode?
A resistance is connected in series with p-n junction of diodes to limit the number of electrons that flow across the junction.
What is the current of a circuit if the voltage is 10V with a 1.2K Resistor and a diode?
you should specify: - circuit topology, I assume a series connection. - diode allows current flow? It depends how it's connected - diode forward voltage drop value if diode is in forward conduction, you have VR=10V - VDIODE and, thus, I = VR/R=(10-Vdiode)/1200.
Why a series resistor is necessary when a diode is forward-biasedexplain?
A series resistor is necessary when a diode is forward-biased to limit the current flowing through the diode and prevent damage to the diode. Without a series resistor, the diode could draw excess current and overheat, potentially causing it to fail. The resistor helps control the current and protect the diode in the circuit.
What are devices are connected so that there is only one one path for current to follow?
In a series circuit, devices are connected in a single path so that the current flows through each device in sequence. If one device fails or is removed, the circuit will be broken, and no current will flow.
Why is a resistance usually connected in series with zener diode?
To drop the unwanted voltage.
Which region must the positive terminal of a voltage source be connected To forward bias diode?
To forward bias a diode, the positive terminal of a voltage source must be connected to the anode of the diode. The anode is the terminal that allows current to flow into the diode when it is forward biased. The negative terminal of the voltage source should be connected to the cathode, allowing current to flow from the anode to the cathode. This arrangement enables the diode to conduct electricity.
Which side of a diode should be connected to the positive voltage supply to make it conduct current?
The anode side of a diode should be connected to the positive voltage supply to make it conduct current. When the anode is at a higher potential than the cathode, the diode becomes forward biased and allows current to flow through it. If the cathode is at the higher potential, the diode remains reverse biased and does not conduct.
How does a diode respond when a current source is connected?
The current will flow in one direction only. That direction is indicated by, usually, a ring around one end of the diode. The current will flow from the unmarked end to the marked end.
