What kind of charges will a sheet of paper have after it has been rubbed with wool , fur, silk?

How does the space charge width change with forward and reverse bias? also, calculate the space charge width for a reverse bias of 4v on a silicon pn junction at t = 300k and doping concentrations of na = 5x1015cm-3 , nd = 5x 1016 cm-3 .

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.