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Describe how the fermi level changes with donor level, temperature and contact with p and n type semiconductors
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**urgent** roberto plans to use two transformers to reduce a voltage of 120 v to 4 v. he uses a transformer that has 300 coils in the primary winding and 50 coils in the secondary winding. he has four other transformers, as listed in the table. which transformer should roberto use to have an ending voltage of 4 v? a- w b-xc- yd- z
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A spring is compressed to a displacement of -3.9 m from equilibrium. Then the spring is released and...
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