A current of 250 mA flows through a motor for 2.0 minutes2.0\ \text{minutes}2.0 minutes.
What is the charge that flows through the motor?
30 C30\ \text{C}30 C
500 C500\ \text{C}500 C
0.50 C0.50\ \text{C}0.50 C
30 000 C30\,000\ \text{C}30000 C
43 exam-style questions on OCR GCSE Physics 3.1 Static and charge, covering 3.1.1 Positive and negative charge, 3.1.2 Static electricity and forces between charged objects, 3.1.3 Electron transfer and static electricity, 3.1.4 Electric fields, 3.1.5 Current as a flow of charge, 3.1.6 Current in a single closed loop, and 3.1.7 Charge, current and time. Each one has a worked solution and a mark scheme showing where the marks go.