Practice IB Physics Topic D.4 Induction with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for D.4 Induction and mirrors Paper 1A, 1B, 2 style where relevant.
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A coil of wire with turns is placed in a region where the magnetic flux through the coil changes uniformly from to in .
(a) Faraday’s law of electromagnetic induction.
(b) the magnitude of the average induced emf in the coil.
A square loop of wire is pulled sideways at constant speed through a region of uniform magnetic field directed into the page. The loop then exits the field.
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(c) how Lenz’s law determines the direction of the induced emf.
A magnet is dropped through a copper ring. Which of the following correctly describes the forces acting on the magnet during its descent?
What is the SI unit of induced emf?
A square loop of side is pulled horizontally at through a region of magnetic field directed into the page. The loop enters and exits the field region entirely. What is the magnitude of the induced emf while the loop is halfway in the field region (i.e. half inside, half outside)?
Only gravitational force acts downward
Magnetic attraction pulls it upward
Induced currents produce an upward magnetic force opposing the fall
A constant upward electric field slows the magnet
Tesla (T)
Ampere (A)
Volt (V)
Weber (Wb)
