6.16 01 December 2011 18:08
· 6.16 describe the generation of electricity by the rotation of a magnet within a coil of wire and of a coil of wire within a magnetic field; also describe the factors which affect the size of the induced voltage
· Magnet rotating near coil [cid:image001.png@01CCE252.2901EF10]
· Coil rotating near magnet [cid:image002.jpg@01CCE252.2901EF10]
· ac generator > [cid:image003.jpg@01CCE252.2901EF10] 6.16 Practical - model answers 17 January 2012 14:33
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· Connect a hand turned generator to a light bulb. Observe the light bulb when you...
· Rotate the generator slowly The induced voltage decreases
· Rotate the generator quickly The induced voltage increases
3. Increase the strength of the magnet The induced voltage increases
4. Increase the number of turns in the coil The induced voltage increases 6.16 Plenary 17 January 2012 15:20
· What are the 3 ways that you can increase the size of the current induced in a generator? Answers
· Increase the strength of the magnets
· Increase the speed of the relative motion
· Use a coil with more turns of wire 
· 6.16 describe the generation of electricity by the rotation of a magnet within a coil of wire and of a coil of wire within a magnetic field; also describe the factors which affect the size of the induced voltage
· Magnet rotating near coil [cid:image001.png@01CCE252.2901EF10]
· Coil rotating near magnet [cid:image002.jpg@01CCE252.2901EF10]
· ac generator > [cid:image003.jpg@01CCE252.2901EF10] 6.16 Practical - model answers 17 January 2012 14:33
>
· Connect a hand turned generator to a light bulb. Observe the light bulb when you...
· Rotate the generator slowly The induced voltage decreases
· Rotate the generator quickly The induced voltage increases
3. Increase the strength of the magnet The induced voltage increases
4. Increase the number of turns in the coil The induced voltage increases 6.16 Plenary 17 January 2012 15:20
· What are the 3 ways that you can increase the size of the current induced in a generator? Answers
· Increase the strength of the magnets
· Increase the speed of the relative motion
· Use a coil with more turns of wire
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