OCR A-Level Physics B: Advancing Physics (H557) · OCR H557
4 Electrons, waves and photons
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Electrons, waves and photons
- A maglev train uses powerful electromagnets beneath the train carriage to levitate it abov… (5 marks, Explain)
- A student builds an electric motor using a coil of wire placed between two permanent magne… (5 marks, Explain)
- A maglev train uses powerful electromagnets beneath the train carriage and along the track… (5 marks, Explain)
- A security door in a museum uses an electric motor to open and close automatically. The mo… (5 marks, Explain)
- A technician is investigating a solenoid connected to a battery. She notices that the sole… (5 marks, Describe)
- A student sets up an electromagnet by wrapping wire around an iron core and connecting it … (5 marks, Describe)
- A student wraps a long wire into a coil and connects it to a battery to create a solenoid.… (5 marks, Describe)
- An electric motor uses a current-carrying coil of wire placed between the poles of two per… (5 marks, Explain)
- An engineer is designing a transformer for use in the National Grid. The transformer has a… (5 marks, Explain)
- A student builds a solenoid by wrapping insulated wire into a coil. When a current flows t… (5 marks, Explain)
- A wind turbine uses the generator effect to generate electricity. The turbine blades are c… (5 marks, Explain)
- A student wraps a length of insulated wire into a coil around an iron rod and connects it … (5 marks, Explain)
- A student investigates the strength of a solenoid by testing how many small iron paperclip… (5 marks, Describe)
- A student is building a simple electromagnet for a school project. She wraps copper wire a… (5 marks, Explain)
- A student wraps a length of wire into a coil to make a solenoid and connects it to a power… (5 marks, Explain)
- A wind turbine generates electricity for a remote farmhouse. The turbine contains a coil o… (5 marks, Explain)
- An engineer designs an electromagnet to be used in a scrapyard to lift heavy steel objects… (5 marks, Explain)
- An electric motor is used to drive a conveyor belt in a food packaging factory. Explain ho… (5 marks, Explain)
- A solenoid is used to lift steel bolts in a factory. Describe how the solenoid produces a … (5 marks, Describe and Explain)
- An engineer is designing an electromagnet to lift scrap metal in a recycling yard. Describ… (5 marks, Describe)
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