C2 Charge Carriers Essential Pre-Uni Physics C2.1 A. 3.75e19 Essential Pre-Uni Physics C2.2 A. 3.1e16 Essential Pre-Uni Physics C2.3 A. 9.60*10^-13 mA Essential Pre-Uni Physics C2.4 A. 4.0 A Essential Pre-Uni Physics C2.5 A. 3.3e-4 ms^-1 B. 5.0e-4 ms^-1 C. 60 A D. 6.3e-4 mm^2 E. 890 mm Essential Pre-Uni Physics C2.6 A. 9.1E-7 ms^-1