Question
When Tim pushes the wire between the poles of the magnet, the galvanometer registers a pulse. When he lifts the wire, another pulse is registered. How do the pulses differ?
Step 1
When Tim pushes the wire between the poles of the magnet, the magnetic field through the wire changes, inducing an electromotive force (EMF) in the wire. This causes a current to flow through the wire, which is detected by the galvanometer as a pulse. Show more…
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Key Concepts
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