Investigating electromagnetic induction. Apparatus used to show the effect of a conductor moving through a magnetic field. Two weights,one magnetic (not seen) and one non-magnetic (yellow,lower left),are dropped simultaneously down two identical copper tubes (centre left and right). As the magnetic weight moves down the tube it causes a current to be induced in the tube. This generates a magnetic field which opposes the magnetic field of the weight,causing it to slow down. As the non-magnetic weight does not have the same effect it falls through it's tube much faster than the magnetic one | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Trevor Clifford Photography |
Bildgröße: | 5133 px × 3461 px |
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