Permanent and induced magnetism, magnetic forces and fields common mistakes

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.

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 steel core electromagnet demonstration and the objective to describe how two magnets exert forces on each other when brought close together.

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 current-carrying wire between magnetic poles and the objective to state that two like magnetic poles repel each other.

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 loudspeaker coil moving in a magnetic field and the objective to state that two unlike magnetic poles attract each other.

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 an alternator producing an AC output trace and the objective to describe attraction and repulsion between magnetic poles as non-contact forces.

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 dynamo producing a DC output trace and the objective to state that a permanent magnet produces its own magnetic field.

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 moving-coil microphone investigation and the objective to describe an induced magnet as a material that becomes a magnet when placed in a magnetic field.

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 step-up transformer on the National Grid and the objective to state that induced magnetism always causes a force of attraction.

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 step-down transformer for a low-voltage device and the objective to state that an induced magnet loses most or all of its magnetism quickly when removed from the magnetic field.

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 student comparing motor and generator effects and the objective to describe the attraction and repulsion between unlike and like poles for permanent magnets.

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 calculation using primary and secondary coils and the objective to describe the difference between permanent and induced magnets.

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 Magnetic fields, then explain how it links to a bar magnet and plotting compass practical and the objective to define a magnetic field as the region around a magnet where a force acts on another magnet or on a magnetic material.

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 Magnetic fields, then explain how it links to a steel core electromagnet demonstration and the objective to identify iron, steel, cobalt and nickel as magnetic materials named in the specification.

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 Magnetic fields, then explain how it links to a current-carrying wire between magnetic poles and the objective to state that the force between a magnet and a magnetic material is always attraction.

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 Magnetic fields, then explain how it links to a loudspeaker coil moving in a magnetic field and the objective to describe how magnetic field strength depends on distance from the magnet.

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 Magnetic fields, then explain how it links to an alternator producing an AC output trace and the objective to state that a magnetic field is strongest at the poles of a magnet.

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 Magnetic fields, then explain how it links to a dynamo producing a DC output trace and the objective to describe the direction of a magnetic field as the direction of the force on a north pole placed at that point.

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 Magnetic fields, then explain how it links to a moving-coil microphone investigation and the objective to state that magnetic field lines go from the north-seeking pole to the south-seeking pole of a magnet.

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 Magnetic fields, then explain how it links to a step-up transformer on the National Grid and the objective to describe a magnetic compass as containing a small bar magnet.

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 Magnetic fields, then explain how it links to a step-down transformer for a low-voltage device and the objective to state that the Earth has a magnetic field.

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 Magnetic fields, then explain how it links to a student comparing motor and generator effects and the objective to describe how a compass needle points in the direction of the Earth's magnetic field.

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 Magnetic fields, then explain how it links to a calculation using primary and secondary coils and the objective to describe how to plot the magnetic field pattern of a magnet using a compass.

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 Magnetic fields, then explain how it links to a bar magnet and plotting compass practical and the objective to draw the magnetic field pattern of a bar magnet showing how strength and direction change from one point to another.

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 Magnetic fields, then explain how it links to a steel core electromagnet demonstration and the objective to explain how the behaviour of a magnetic compass is evidence that the core of the Earth must be magnetic.

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 Magnetic fields, then explain how it links to a current-carrying wire between magnetic poles and the objective to apply WS 2.2 when using diagrams to represent magnetic field patterns.