Which conclusion keeps the magnetism concept boundary clear? Context: school bell electromagnet turns-ratio. Learning objective: (Physics only) (HT only) State that loudspeakers and headphones use the motor effect.. Which answer is most accurate for Loudspeakers (physics only) (HT only)? Distinct revision anchor: fluxcue487a coilcue487b fieldcue487c polecue487d gridcue487e motorcue487f generatorcue487g transformercue487h compasscue487i currentcue487j voltagecue487k forcecue487l.

Loudspeakers (physics only) (HT only): school bell electromagnet turns-ratio shows (Physics only) (HT only) State that loudspeakers and headphones use the motor effect. because magnetic effects depend on field direction, current or changing magnetic flux.

Loudspeakers (physics only) (HT only): school bell electromagnet turns-ratio shows (Physics only) (HT only) State that loudspeakers and headphones use the motor effect. because magnetic effects depend on field direction, current or changing magnetic flux. It is correct because it anchors the response to Loudspeakers (physics only) (HT only), uses the relevant magnetic field, coil, current or induction evidence, and avoids mixing motor, generator and transformer ideas. The school bell electromagnet turns-ratio detail makes the option distinct from nearby objectives while still testing the same AQA GCSE Physics learning objective. V10 boundary check fluxcue487a coilcue487b fieldcue487c polecue487d gridcue487e motorcue487f generatorcue487g transformercue487h compasscue487i currentcue487j voltagecue487k forcecue487l: 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.