2.3.1 - Forward Bias
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Practice Questions
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What happens to the depletion region when a PN junction is forward biased?
💡 Hint: Think about how the electric field is affected.
What is the threshold voltage for silicon diodes typically?
💡 Hint: Consider the materials used in the diode.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What occurs when a PN junction is forward biased?
💡 Hint: Think about the behavior of charge carriers in this situation.
True or False: The threshold voltage for a silicon diode is approximately 0.3 V.
💡 Hint: Consider the type of semiconductor material.
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Challenge Problems
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Considering a silicon diode with a threshold voltage of 0.7 V, calculate the current when 1 V is applied, assuming the reverse saturation current Is is 1 mA and n = 1. The temperature is room temperature (approximately 300 K).
💡 Hint: Calculate using constants and simplify.
Design a simple half-wave rectifier circuit using a silicon diode and explain how forward bias behavior contributes to its function.
💡 Hint: Draw the circuit and label the flow of current.
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