P3 Electricity and magnetism

Practice questions on Electricity and magnetism

• A set of fairy lights is wired in series. When one bulb breaks and stops conducting, all t… (4 marks, Explain)
• A student investigates a series circuit containing a battery, two resistors, and an ammete… (4 marks, Explain)
• Explain why adding a second lamp in parallel with the first lamp in a circuit causes the c… (4 marks, Explain)
• A student connects a battery, a lamp, and a switch in a series circuit. The student then a… (4 marks, Explain)
• A person walks across a nylon carpet wearing rubber-soled shoes. When they then touch a me… (4 marks, Explain)
• A lorry carrying fuel through a dry desert region can build up a large static charge as it… (4 marks, Explain)
• A technician working in a microchip factory must wear a special wristband that connects th… (4 marks, Explain)
• A student rubs a plastic ruler with a dry cloth. The ruler becomes negatively charged. Exp… (4 marks, Explain)
• A balloon is rubbed against a woollen jumper. The balloon then sticks to a wall without fa… (4 marks, Explain)
• Explain why the lamps in a parallel circuit remain at the same brightness when one lamp is… (4 marks, Explain)
• Describe how you could use a plotting compass and a straight bar magnet to investigate the… (4 marks, Describe)
• A maglev train uses electromagnets to levitate above a track. Explain how increasing the c… (4 marks, Explain)
• A student moves a bar magnet into a coil of wire connected to a sensitive ammeter. The amm… (4 marks, Explain)
• Explain why a potential difference is induced across the ends of a straight wire when the … (4 marks, Explain)
• A wind turbine uses electromagnetic induction to generate electricity. During a storm, the… (4 marks, Explain)
• A ship uses a search-and-rescue device that contains a coil of wire connected to a detecto… (4 marks, Explain)
• A technician is testing a bicycle dynamo. When the cyclist pedals faster, the dynamo produ… (4 marks, Explain)
• Explain why a current-carrying coil inside a d.c. electric motor continues to rotate in th… (4 marks, Explain)
• A student places a straight wire horizontally between the poles of a permanent magnet so t… (4 marks, Describe)
• Explain why a current-carrying conductor experiences a force when placed in a magnetic fie… (4 marks, Explain)