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Unformatted text preview: ll need certain physical constants of copper; include in your answer a table of the physical constants you used. 3. Zener power circuits. Below is the I-V curve of a 30 V zener diode. (a) Estimate the dynamic resistance of this diode when operating in the zener region at reasonable currents. (b) Suppose you want to produce a well-regulated 30 0.5 V voltage from a poorly-regulated 50.V 5.V power supply in the manner of the circuit in text figure 1.14. Find a reasonable value of the series resistor R; specify the resulting zener current and output voltage wiggle....
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