Learning objective

(Physics only) (HT only) Apply MS 1c, MS 3b and MS 3c when linking transformer calculations to power transmission.

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At a glance

5

Flashcards

7

Questions

Topic

Induced potential, transformers and the National Grid (physics only) (HT only)

Subtopic

Transformers (HT only)

AQA GCSE PhysicsMagnetism and electromagnetism

Study support

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Short explanation

(Physics only) (HT only) Apply MS 1c, MS 3b and MS 3c when linking transformer calculations to power transmission. sits within Transformers (HT only) in AQA GCSE Physics Unit 4.7 Magnetism and electromagnetism. A strong explanation names the exact magnetic context, then links the observation to field direction, current, force, coil turns, induced potential difference or transformer power as appropriate. For this objective, revise the keywords physics only, HT only, transformer and use them as evidence rather than as isolated definitions. Keep the boundary precise: permanent magnets are not induced magnets, motors use current to produce force or motion, generators use motion or changing magnetic fields to induce a potential difference, and transformers compare primary and secondary coils. The distinctive exam cue is lo47cue405 fieldmap405 coilpath405 transformerlink405, which separates this learning objective from neighbouring transformer, motor-effect and magnetic-field objectives while preserving the official wording.

Key concepts

Transformers (HT only) turns-ratio cue 209Transformers (HT only) AC-output cue 210

Why it matters

This objective helps connect Transformers (HT only) to exam-style questions, flashcards, and revision notes for Induced potential, transformers and the National Grid (physics only) (HT only).

Common mistakes

1 linked
  • National Grid transformer reasoning: avoid magnetic field...: Instead, identify the exact Unit 4.7 idea in Transformers (HT only), then explain how it links to a bar magnet and plotting compass practical and the objective to apply MS 1c, MS 3b and MS 3c when linking transformer calculations to power transmission.

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