Find the product. if the result is negative, enter "-". if the result is positive, leave the box empty.
7(-a^2)^2(-b^3)

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 the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

Rohit is trying to tune an instrument