Which explanation best links the observation to the physics? Context: National Grid substation current-change. Learning objective: (HT only) Recall and apply the equation F = B x I x l for a conductor at right angles to a magnetic field.. Which answer is most accurate for Fleming's left-hand rule (HT only)? Distinct revision anchor: fluxcue420a coilcue420b fieldcue420c polecue420d gridcue420e motorcue420f generatorcue420g transformercue420h compasscue420i currentcue420j voltagecue420k forcecue420l.

Fleming's left-hand rule (HT only): National Grid substation current-change shows (HT only) Recall and apply the equation F = B x I x l for a conductor at right angles to a magnetic field. because magnetic effects depend on field direction, current or changing magnetic flux.

Fleming's left-hand rule (HT only): National Grid substation current-change shows (HT only) Recall and apply the equation F = B x I x l for a conductor at right angles to a magnetic field. because magnetic effects depend on field direction, current or changing magnetic flux. It is correct because it anchors the response to Fleming's left-hand rule (HT only), uses the relevant magnetic field, coil, current or induction evidence, and avoids mixing motor, generator and transformer ideas. The National Grid substation current-change detail makes the option distinct from nearby objectives while still testing the same AQA GCSE Physics learning objective. V10 boundary check fluxcue420a coilcue420b fieldcue420c polecue420d gridcue420e motorcue420f generatorcue420g transformercue420h compasscue420i currentcue420j voltagecue420k forcecue420l: 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.