السلام عليكم
أنا أدرس هندسة الكترونية
وأتمنى المساعده في حل هالسؤالين
a. Suppose an intrinsic semiconductor has 10^4 free electrons at room temperature. If the temperature is increased to 75°C, how many holes are there?
b. What is the maximum number of electrons that can exist in the 3rd shell of an atom?