| Hamble Ref | HT ONLY | Sep ONLY | Student Checklist Question | 1 | 2 | 3 |
|---|---|---|---|---|---|---|
| P2.5.01 | What are the poles of a magnet? | |||||
| P2.5.01 | What is the magnetic field? | |||||
| P2.5.01 | What force is always between a magnet and a magnetic material? | |||||
| P2.5.01 | What happens when two magnets are brought close together? | |||||
| P2.5.01 | What does the strength of the magnetic field depend on and where is it the strongest? | |||||
| P2.5.01 | What happens when two like poles are brought together? | |||||
| P2.5.01 | What affects the direction of the magnetic field? | |||||
| P2.5.01 | What happens when two unlike poles are brought together? | |||||
| P2.5.01 | What direction does the magnetic field line go in? | |||||
| P2.5.01 | What type of force are attraction and repulsion between magnetic poles examples of? | |||||
| P2.5.01 | What causes a magnetic compass to follow the direction of the Earth's magnetic field? | |||||
| P2.5.01 | What is a permanent magnet? | |||||
| P2.5.01 | How can a plotting compass be used to plot the magnetic field pattern of a magnet? | |||||
| P2.5.01 | What is an induced magnet? | |||||
| P2.5.01 | ★ Students should be able to draw the magnetic field pattern of a bar magnet showing how strength and direction change from one point to another. ★ | |||||
| P2.5.01 | What force does induced magnetism always cause? | |||||
| P2.5.01 | Why does a compass point North? | |||||
| P2.5.01 | What happens to an induced magnet when it's removed from the magnetic field? | |||||
| P2.5.01 | How do the poles of the magnets interact? | |||||
| P2.5.01 | What is the difference between permanent and induced magnets | |||||
| P2.5.02 | What happens when a current flows through a conducting wire? | |||||
| P2.5.02 | What does the strength of the magnetic field depends on? | |||||
| P2.5.02 | How does shaping a wire into a solenoid affect strength of the magnetic field? | |||||
| P2.5.02 | What is the magnetic field like inside a solenoid? | |||||
| P2.5.02 | What is the shape of the magnetic field around a solenoid? | |||||
| P2.5.02 | How does adding an iron core affect the magnetic field? | |||||
| P2.5.02 | What is an electromagnet? | |||||
| P2.5.02 | Describe how the magnetic effect of a current can be demonstrated | |||||
| P2.5.02 | What does the magnetic field around a straight wire look like? | |||||
| P2.5.02 | How does a solenoid arrangement increase the magnetic effect of the current? | |||||
| P2.5.02 | ★ | (Physics only) | ||||
| P2.5.03 | ★ | (HT only) What is meant by the motor effect? | ||||
| P2.5.03 | ★ | ★ Students should be able to show that Fleming's left-hand rule represents the relative orientation of the force, the current in the conductor and the magnetic field. ★ | ||||
| P2.5.03 | ★ | What factors affect the size of the forces on the conductor? | ||||
| P2.5.03 | ★ | How is magnetic flux density calculated? Include SI units. | ||||
| P2.5.04 | ★ | What is the basis of an electric motor? | ||||
| P2.5.04 | ★ | How does the force on a conductor in a magnetic field causes the rotation of the coil in an electric motor? | ||||
| P2.5.05 | ★ | ★ | (Physics only) How do loudspeakers and headphones use the motor effect? | |||
| P2.5.05 | ★ | ★ | (Physics only) How do moving coil loudspeakers and headphones work? | |||
| P2.5.05 | ★ | ★ | (Physics only) How are potential differences induced across the ends of conductors? | |||
| P2.5.05 | ★ | ★ | (Physics only) What is the generator effect? | |||
| P2.5.05 | ★ | ★ | (Physics only) What effect does an induced current have? | |||
| P2.5.05 | ★ | ★ | (Physics only) What factors affect the size of the induced potential difference or induced current? | |||
| P2.5.05 | ★ | ★ | (Physics only) What are the principles of the generator effect? |
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| P2.5.05 | ★ | ★ | (Physics only) How does the generator effect generate A.C in an alternator? What factors can affect the current in an alternator? |
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| P2.5.05 | ★ | ★ | (Physics only) How does the generator effect generate D.C in an dynamo? |
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| P2.5.05 | ★ | ★ | (Physics only) What would the graph showing potential difference generated in the coil against time look like? |
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| P2.5.05 | ★ | ★ | (Physics only) What do microphones convert into variations in current in electrical | |||
| P2.5.05 | ★ | ★ | (Physics only) Explain how a moving-coil microphone works? | |||
| P2.5.06 | ★ | ★ | (Physics only) How does the equation linking the pds and number of turns in the two coils of a transformer link to the to the currents and the power transfer involved. Relate these to the advantages of power transmission at high potential difference. | |||
| P2.5.06 | ★ | ★ | (Physics only) What is the basic structure of a transformer? | |||
| P2.5.06 | ★ | ★ | (Physics only) Which metal is used for the core in transformers? | |||
| P2.5.06 | ★ | ★ | (Physics only) The ratio of the potential differences across the primary and secondary coils of a transformer (Vp and Vs) depends upon the ratio of what? | |||
| P2.5.06 | ★ | ★ | (Physics only) In a step-up transformer which has the greatest potential difference, primary (Vp) or secondary (Vs) coils? | |||
| P2.5.06 | ★ | ★ | (Physics only) In a step-down transformer which has the greatest potential difference, primary (Vp) or secondary (Vs) coils? | |||
| P2.5.06 | ★ | ★ | (Physics only) What would the relationship be between total power input and output in a transformer if it were 100% efficient? | |||
| P2.5.06 | ★ | ★ | (Physics only) Vp x Ip = the ______ _______ (primary coil). power input Vs x Is = the _______ ______ (secondary coil)power output |
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| P2.5.06 | ★ | ★ | (Physics only)Explain how the effect of an alternating current induces a current in another transformer. | |||
| P2.5.06 | ★ | ★ | (Physics only) How does the ratio of the potential differences across the two coils depends on the ratio of the number of turns on each? | |||
| P2.5.07 | ★ | ★ | (Physics only) What calculation liks power, current and voltage? |