WJEC A-Level Physics (Wales) · WJEC A430QS
2 Electricity
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Electricity
- A student connects a length of nichrome wire to a battery. The student then replaces the n… (5 marks, Explain)
- A copper connecting wire in a circuit has a low resistance. A student replaces the copper … (5 marks, Explain)
- A technician is testing two resistors made from different materials. Resistor A is made fr… (5 marks, Explain)
- A student investigates how temperature affects the resistance of a thermistor. At room tem… (5 marks, Explain)
- A student sets up a series circuit containing a battery, two resistors and an ammeter. The… (5 marks, Explain)
- A student connects a battery to two lamps. The student first connects the lamps in series,… (5 marks, Explain)
- A sealed container holds a fixed quantity of gas at constant temperature. Describe and exp… (5 marks, Describe and explain)
- A sealed, rigid container holds a fixed quantity of gas. The container is placed in a free… (5 marks, Explain)
- A fixed mass of water vapour is cooled until it becomes ice. Describe what happens to the … (5 marks, Describe)
- A student heats a fixed mass of ice at a steady rate. The ice melts and then the water war… (5 marks, Explain)
- Explain, in terms of particles, what happens to the internal energy of a substance when it… (5 marks, Explain)
- A student seals a fixed quantity of gas inside a rigid metal container and places it in a … (5 marks, Explain)
- A torch contains three identical cells connected in series, each with an electromotive for… (5 marks, Explain)
- A student has a battery, a fixed resistor, a variable resistor, a voltmeter and an ammeter… (5 marks, Describe)
- Explain why metals are good conductors of electricity, and why increasing the temperature … (5 marks, Explain)