Question detail

Which explanation best links the observation to the physics? Context: scrapyard lifting magnet direction. Learning objective: State that the poles of a magnet are the places where magnetic forces are strongest.. Which answer is most accurate for Poles of a magnet? Distinct revision anchor: fluxcue102a coilcue102b fieldcue102c polecue102d gridcue102e motorcue102f generatorcue102g transformercue102h compasscue102i currentcue102j voltagecue102k forcecue102l.

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Permanent and induced magnetism, magnetic forces and fields

Question

  1. A. Poles of a magnet: scrapyard lifting magnet direction shows State that the poles of a magnet are the places where magnetic forces are strongest. because magnetic effects depend on field direction, current or changing magnetic flux.
  2. B. It reverses the role of primary and secondary coils. (application error).
  3. C. It assumes transformers work on direct current without changing flux. (measurement error).
  4. D. It states the turns ratio changes resistance rather than voltage. (diagnosis error).

Answer

Poles of a magnet: scrapyard lifting magnet direction shows State that the poles of a magnet are the places where magnetic forces are strongest. because magnetic effects depend on field direction, current or changing magnetic flux.

Explanation

Poles of a magnet: scrapyard lifting magnet direction shows State that the poles of a magnet are the places where magnetic forces are strongest. because magnetic effects depend on field direction, current or changing magnetic flux. It is correct because it anchors the response to Poles of a magnet, uses the relevant magnetic field, coil, current or induction evidence, and avoids mixing motor, generator and transformer ideas. The scrapyard lifting magnet direction detail makes the option distinct from nearby objectives while still testing the same AQA GCSE Physics learning objective. V10 boundary check fluxcue102a coilcue102b fieldcue102c polecue102d gridcue102e motorcue102f generatorcue102g transformercue102h compasscue102i currentcue102j voltagecue102k forcecue102l: in the motor effect, the force is perpendicular to the current and magnetic field; in a generator, relative motion or a changing magnetic field induces a potential difference or induced current; outside a magnet, magnetic field lines go from north to south; AC alternating current changes direction, while DC direct current flows in one direction and needs a commutator in a DC generator context.

Common mistake

generator-effect induction: avoid permanent and induced magnets

Treating permanent and induced magnets as interchangeable when answering about generator-effect induction.

Instead, identify the exact Unit 4.7 idea in Poles of a magnet, then explain how it links to a bar magnet and plotting compass practical and the objective to state that the poles of a magnet are the places where magnetic forces are strongest.

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