During an industrial electrostatic powder-coating process, a paint aerosol droplet acquires a static charge of 0.080 μC0.080\ \mu\text{C}0.080 μC due to friction inside the nozzle.
Which of the following values is equal to this charge?
8.0×10−5 C8.0 \times 10^{-5}\text{ C}8.0×10−5 C
8.0×10−11 C8.0 \times 10^{-11}\text{ C}8.0×10−11 C
80 nC80\text{ nC}80 nC
8.0×103 pC8.0 \times 10^{3}\text{ pC}8.0×103 pC
15 exam-style questions on OCR GCSE Physics Static and charge. Each one has a worked solution and a mark scheme showing where the marks go.