summer101 wrote:
Although it was known that inductive action travelled with finite velocity in space,and that an electro-magnet would affect the space about it practically inversely as the square of the distance , nearly all the physicists failed to form the only conception of it that was possible.
A. and that an electro-magnet would affect the space about it practically inversely as the square of the distance- Correct
B.and an electro-magnet would affect the space about it practically inversely as the square
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