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Spring 2025 - PHY102-3941
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An 4.8 V zener diode (4.8 V at 25°C) has a positive temperature coefficient of 0.039%/°C. What is the zener voltage at 49°C?
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Zener breakdown occurs at high reverse voltages in Zener diodes.
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What happens to the Zener diode's output voltage when the load resistor is disconnected?
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Zener diodes can only regulate voltage within a narrow range of input voltages.
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A zener diode exhibits a 45mV change in VZfor a 2.6 mA change in I
Z. What is the zener impedance?
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In Zener diode applications, why is a Zener diode with a breakdown voltage of 5V or less favored for low-voltage regulation?
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In a Zener diode, what does the reverse current (IR) refer to?
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A Zener diode operating in breakdown acts as a current regulator.
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