The Alternator and Dynamo 1
| First | First | Last | Quiz Score Total | Question 1 | Image 1 | Question 1 | In stage 1, the p.d. is maximum as the coil is sweeping through the magnetic field at the ............ possible rate. | The side sweeping down connects to ring ............, making this positive. | The side sweeping up connects to ring ............, making this negative. | In stage 2, the p.d. falls to ............ as the coil is moving horizontally and is not sweeping through the magnetic field. In stage 3, the p.d. is maximum again. | However, the side sweeping ............ is now connected to ring B which is now positive. | The side sweeping ............ is now connected to ring A, | so this is now ............ . In stage 4, the p.d. falls to zero again. This produces an alternating current (AC). | Quiz Percentage Grade |
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| First | First | Last | Quiz Score Total | Question 1 | Image 1 | Question 1 | In stage 1, the p.d. is maximum as the coil is sweeping through the magnetic field at the ............ possible rate. | The side sweeping down connects to ring ............, making this positive. | The side sweeping up connects to ring ............, making this negative. | In stage 2, the p.d. falls to ............ as the coil is moving horizontally and is not sweeping through the magnetic field. In stage 3, the p.d. is maximum again. | However, the side sweeping ............ is now connected to ring B which is now positive. | The side sweeping ............ is now connected to ring A, | so this is now ............ . In stage 4, the p.d. falls to zero again. This produces an alternating current (AC). | Quiz Percentage Grade |