Determine the gradient (including units) of the line of best fit shown on the graph on the previous page. Clearly label the points you used to calculate the gradient on the graph. b) Use the gradient to calculate the magnitude of the current flowing through the wire, given that 0.60m of the wire lies within the magnetic field.

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Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.