P032241 - Practice Problems #7 - Answers Topics: Introduction to gun-Junction, Built-in Potential Reading: Nearnen 7.1, 7.2.1, 7.2.2, End of Ch. 7 Snn'imarj.r points 1-4. Conceptual Questions: 1.) [Based on Nearnen, Checkpoint Questions from Ch?) (a) Sketch the energy band diagram of a zerobiased ginjunction and dene the built in potential barrier. (b) Describe why and how the space charge region is formed. (c) Describe the formation of the electric eld in the depletion region. [(1) The formation of the space charge region is due to which process? The space charge region stops growing when two \"forces\" become equal. What are those forces