When the contact was made, there was a sudden and very slight effect at the galvanometer, and there was also a similar slight effect when the contact with the battery was broken. But whilst the voltaic current was continuing to pass through the one helix, no galvanometrical appearances of any effect like induction upon the other helix could be perceived, although the active power of the battery was proved to be great, by its heating the whole of its own helix, and by the brilliancy of the discharge when made through charcoal.
Repetition of the experiments with a battery of one hundred and twenty pairs of plates produced no other effects; but it was ascertained, both at this and at the former time, that the slight deflection of the needle occurring at the moment of completing the connexion, was always in one direction, and that the equally slight deflection produced when the contact was broken was in the other direction; and also, that these effects occurred when the first helices were used.
If Faraday hd used a more powerful battery in his experiments with electromagnetic induction, what affect would this have had on his galvanometer's measurements of current when the battery was fully connected? explain your reasoning.
Thanks again!
8 answers
I'm just letting you know, this is 8th grade stuff Jet and I'm sure many people have no idea what you're saying.
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The stronger battery would have no effect
The question isn't asking everything about the galvanometer, just simply if the current rises or falls. Using more powerful battery in the experiment would increase the rate at the the coil cuts the magnetic field, therefore increasing the rate of variation in the magnetic field. This effect would cause a greater deflection on the galvanometer's scale, showing an increase in the current generated.
1 answer