Learning objective
Describe the magnetic field around a solenoid as having a similar shape to that of a bar magnet.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
The motor effect
Subtopic
Electromagnetism
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Quick explanation
Describe the magnetic field around a solenoid as having a similar shape to that of a bar magnet
- This point belongs to The motor effect, especially Electromagnetism.
- You need to be able to describe the magnetic field around a solenoid as having a similar shape to that of a bar magnet.
- The key ideas to know are magnetic field and solenoid.
- 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 magnetic field around a solenoid work?
Direct answer
In Physics, this page helps you answer questions about the magnetic field around a solenoid 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 field-shape cue 61 and Electromagnetism current-change cue 62.
Key terms
- Electromagnetism field-shape cue 61: A step-up transformer demonstration evidence cue for Describe the magnetic field around a solenoid as having a similar shape to that of a bar magnet.. 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: fluxcue161a coilcue161b fieldcue161c polecue161d gridcue161e motorcue161f generatorcue161g transformercue161h compasscue161i currentcue161j voltagecue161k forcecue161l.
- Electromagnetism current-change cue 62: A step-down charger transformer evidence cue for Describe the magnetic field around a solenoid as having a similar shape to that of a bar magnet.. 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: fluxcue162a coilcue162b fieldcue162c polecue162d gridcue162e motorcue162f generatorcue162g transformercue162h compasscue162i currentcue162j voltagecue162k forcecue162l.
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 dynamo producing a DC output trace and the objective to describe the magnetic field around a solenoid as having a similar shape to that of a bar magnet.
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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 the strength of the magnetic field around a wire depends on distance from 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