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IB Physics HL D 2 5 Charge Transfer Questions

Practise IB Physics HL D.2.5 by analysing induction, grounding, contact and electron-flow charge-transfer processes.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • Trace electron flow during induction, grounding and contact between conductors.
  • Explain why grounding can remove or supply charge without violating conservation.
  • Determine final charge sign and distribution after charge transfer.

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Study D.2.5—Charge transfer conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Physics HL D 2 5 Charge Transfer Questions question 1

[Maximum number: 1]

A conducting sphere has radius 48 cm . The electric potential on the surface of the sphere is 3.4×105 V3.4 \times 10^{5} \mathrm{~V}.

The sphere is connected by a long conducting wire to a second conducting sphere of radius 24 cm . The second sphere is initially uncharged.

Figure for Question IB Physics HL D 2 5 Charge Transfer Questions question 1 — IB Physics HL

Describe, in terms of electron flow, how the smaller sphere becomes charged.

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