Learning objective
Describe how the strength of the magnetic field around a wire depends on distance from the wire.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Topic
The motor effect
Subtopic
Electromagnetism
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Understand this objective
Quick explanation
Describe how the strength of the magnetic field around a wire depends on distance from the wire
- This point belongs to The motor effect, especially Electromagnetism.
- You need to be able to describe how the strength of the magnetic field around a wire depends on distance from the wire.
- The key ideas to know are magnetic field.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Electromagnetism to exam-style questions, flashcards, and revision notes for The motor effect.
Quick student answer
How does the strength of the magnetic field around a wire depends on distance from the wire work?
Direct answer
In Physics, this page helps you answer questions about the strength of the magnetic field around a wire depends on distance from the wire within The motor effect. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Electromagnetism diagnosis cue 55 and Electromagnetism prediction cue 56.
Key terms
- Electromagnetism diagnosis cue 55: A power-station transformer evidence cue for Describe how the strength of the magnetic field around a wire depends on distance from the wire.. It helps identify the relevant magnetic field, current, transformer coil, motor effect or generator induction evidence, while keeping Electromagnetism distinct from neighbouring GCSE Physics ideas. Distinct retrieval anchor: fluxcue155a coilcue155b fieldcue155c polecue155d gridcue155e motorcue155f generatorcue155g transformercue155h compasscue155i currentcue155j voltagecue155k forcecue155l.
- Electromagnetism prediction cue 56: A National Grid substation evidence cue for Describe how the strength of the magnetic field around a wire depends on distance from the wire.. It helps identify the relevant magnetic field, current, transformer coil, motor effect or generator induction evidence, while keeping Electromagnetism distinct from neighbouring GCSE Physics ideas. Distinct retrieval anchor: fluxcue156a coilcue156b fieldcue156c polecue156d gridcue156e motorcue156f generatorcue156g transformercue156h compasscue156i currentcue156j voltagecue156k forcecue156l.
Common trap
motor-effect force direction: avoid motors and generators: Instead, identify the exact Unit 4.7 idea in Electromagnetism, then explain how it links to a current-carrying wire between magnetic poles and the objective to describe how the strength of the magnetic field around a wire depends on distance from the wire.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- State that when a current flows through a conducting wire a magnetic field is produced around the wire.
Electromagnetism
- Describe how the strength of the magnetic field around a wire depends on current through the wire.
Electromagnetism
- Describe how shaping a wire to form a solenoid increases the strength of the magnetic field created by a current.
Electromagnetism
- State that the magnetic field inside a solenoid is strong and uniform.
Electromagnetism
- Describe the magnetic field around a solenoid as having a similar shape to that of a bar magnet.
Electromagnetism