IB DP Physics Higher Level (2023 syllabus) · IB ib-phys-hl
D Fields
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Fields
- Explain why, as a spacecraft travels from the Earth to the Moon along the line joining the… (4 marks, Explain)
- Explain how the phenomenon of self-inductance arises in a coil carrying a changing current… (4 marks, Explain)
- Explain why the gravitational field strength at the surface of a planet is not the same as… (4 marks, Explain)
- Explain why a satellite in a circular orbit around the Earth does not need a continuous th… (4 marks, Explain)
- Explain why the gravitational potential at any point outside an isolated, uniform spherica… (4 marks, Explain)
- Explain how a mass spectrometer uses electric and magnetic fields to separate ions of the … (4 marks, Explain)
- Explain why the total mechanical energy of a satellite in a circular orbit around a planet… (4 marks, Explain)
- Explain why a proton moving in a circular path in a uniform magnetic field does not gain k… (4 marks, Explain)
- Explain why two long, parallel wires carrying currents in the same direction attract each … (4 marks, Explain)
- Explain why a charged particle moving parallel to a uniform magnetic field experiences no … (4 marks, Explain)
- Explain how the Hall effect arises when a current-carrying conductor is placed in a magnet… (4 marks, Explain)
- Explain how a velocity selector uses crossed electric and magnetic fields to allow only pa… (4 marks, Explain)
- Explain why a straight conducting rod moving at constant velocity through a uniform magnet… (4 marks, Explain)
- Explain why a charged particle moving with constant velocity through a region of crossed e… (4 marks, Explain)
- Explain why a proton moving in a uniform magnetic field follows a circular path at constan… (4 marks, Explain)
- Explain why the radius of the circular path of a charged particle moving perpendicular to … (4 marks, Explain)
- Explain why a positive ion travelling in a horizontal circle inside a cyclotron is acceler… (4 marks, Explain)
- A circular conducting loop is held stationary in a region where a uniform magnetic field i… (4 marks, Explain)
- A long solenoid carries a sinusoidally alternating current. A small, single-turn rectangul… (4 marks, Explain)
- Explain how Lenz's law is consistent with the principle of conservation of energy, using t… (4 marks, Explain)