Question detail
Which conclusion keeps the magnetism concept boundary clear? Context: school bell electromagnet 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: fluxcue103a coilcue103b fieldcue103c polecue103d gridcue103e motorcue103f generatorcue103g transformercue103h compasscue103i currentcue103j voltagecue103k forcecue103l.
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
- A. Poles of a magnet: school bell electromagnet 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.
- B. It swaps motor and generator reasoning. (measurement error).
- C. It describes gravitational force instead of magnetic force. (diagnosis error).
- D. It claims induced current is supplied by a cell. (prediction error).
Answer
Poles of a magnet: school bell electromagnet 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: school bell electromagnet 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 school bell electromagnet direction detail makes the option distinct from nearby objectives while still testing the same AQA GCSE Physics learning objective. V10 boundary check fluxcue103a coilcue103b fieldcue103c polecue103d gridcue103e motorcue103f generatorcue103g transformercue103h compasscue103i currentcue103j voltagecue103k forcecue103l: 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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