Atoms of which element have two protons and two electrons? a. carbon b. helium c. hydrogen d. lithium

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 .

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k