A charge of 720 C flows through a lamp in 4.0 minutes4.0\ \text{minutes}4.0 minutes.
What is the current in the lamp?
180 A180\ \text{A}180 A
2880 A2880\ \text{A}2880 A
0.33 A0.33\ \text{A}0.33 A
3.0 A3.0\ \text{A}3.0 A
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.