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Spring 2025 - PHY102-3941
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How does the Zener impedance affect the voltage regulation?
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What determines the minimum value of reverse current (IZK) for Zener diode voltage regulation?
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Zener diodes can be used as current limiters.
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TIn a Zener diode regulator, the output voltage increases as the load resistance (RL) increases.
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Zener diodes are not suitable for applications requiring high current to the load.
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A zener diode exhibits a 55mV change in VZfor a 7.4 mA change in I
Z. What is the zener impedance?
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An 7.5 V zener diode (7.5 V at 25°C) has a positive temperature coefficient of 0.08%/°C. What is the zener voltage at 64°C?
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The Zener diode's breakdown voltage increases slightly as the Zener current increases.
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The Zener current (IZ) remains constant in the reverse breakdown region.
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