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Automatic Zoom 2.) In reverse-biased pn junction, which side is at the higher electric potential? Explain your reasoning. 3.) (Based on Neamen - Review Question 7.6) Why does the depletion region width increase when a reverse-bias voltage is applied? Explain in words. 4.) (Based on Neamen - Review Question 7.6) - Why does a capacitance exist in a reverse- biased pn junction? Why does the capacitance decrease with increasing reverse-bias voltage? Explain in words. 5.) (Based on Neamen - Review Question 7.8) -What is a one-sided pn junction? Explain why a one-sided junction is useful in determine parameters of a pn junction. Which parameters can be determined?