Practice questions
A free sample of Brainlag Learn questions. Choose a course, then filter by topic and difficulty. Each question opens in Learn, where it is marked and explained.
1415 questions
| Practice questions | Topic | Difficulty |
|---|---|---|
| Charge from current and time | GCSE Physics: Electric circuits | 2 marks |
| Charge with the time in minutes | GCSE Physics: Electric circuits | 3 marks |
| Charge with the current in mA | GCSE Physics: Electric circuits | 3 marks |
| Current from charge and time, in A and mA | GCSE Physics: Electric circuits | 3 marks |
| Potential difference from V = IR | GCSE Physics: Electric circuits | 3 marks |
| Resistance from V = IR | GCSE Physics: Electric circuits | 3 marks |
| Current in mA through a kΩ resistor | GCSE Physics: Electric circuits | 3 marks |
| Ohmic conductors | GCSE Physics: Electric circuits | 1 mark |
| Choosing the right form of V = IR | GCSE Physics: Electric circuits | 3 marks |
| Define the terms of electric circuits | GCSE Physics: Electric circuits | 3 marks |
| Find an unknown resistance (6 marks) | GCSE Physics: Electric circuits | 6 marks |
| Direct and alternating current | GCSE Physics: Mains electricity, the National Grid and static | 1 mark |
| Frequency and potential difference of UK mains | GCSE Physics: Mains electricity, the National Grid and static | 1 mark |
| Colours of the wires in a three-core cable | GCSE Physics: Mains electricity, the National Grid and static | 1 mark |
| What the live, neutral and earth wires do | GCSE Physics: Mains electricity, the National Grid and static | 1 mark |
| Peak p.d., period and frequency from an a.c. trace | GCSE Physics: Mains electricity, the National Grid and static | 5 marks |
| Why the live wire is dangerous even with the switch off | GCSE Physics: Mains electricity, the National Grid and static | 3 marks |
| The earth wire, the fuse and safety | GCSE Physics: Mains electricity, the National Grid and static | 1 mark |
| Power from potential difference and current | GCSE Physics: Mains electricity, the National Grid and static | 3 marks |
| Current drawn by a mains appliance rated in kW | GCSE Physics: Mains electricity, the National Grid and static | 3 marks |
| Power from current and resistance | GCSE Physics: Mains electricity, the National Grid and static | 2 marks |
| Resistance from power and current | GCSE Physics: Mains electricity, the National Grid and static | 3 marks |
| Which device takes the largest current? | GCSE Physics: Mains electricity, the National Grid and static | 3 marks |
| Choosing the right fuse | GCSE Physics: Mains electricity, the National Grid and static | 3 marks |
| Wires in a mains plug | GCSE Physics: Mains electricity, the National Grid and static | 6 marks |
| Power, current and energy | GCSE Physics: Mains electricity, the National Grid and static | 5 marks |
| Is this appliance safe? (6 marks) | GCSE Physics: Mains electricity, the National Grid and static | 6 marks |
| Fuses, circuit breakers and the earth wire (4 marks) | GCSE Physics: Mains electricity, the National Grid and static | 4 marks |
| Density from mass and volume | GCSE Physics: Particle model, density and gas pressure | 3 marks |
| Mass from density and volume | GCSE Physics: Particle model, density and gas pressure | 2 marks |
Questions are shared by every board that teaches the topic.