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A softiron rod and a steel rod each have coils around them Both rods are initially unmagnetised The coils are attracted to circuits as shown in the second diagram State one advantage
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.jpg_img_upload_solution_2022-08-17%2011:21:02.194667.png "An unmagnetised bar of steel can be by rubbing a bar magnet along its length.")
An unmagnetised bar of steel can be by rubbing a bar magnet along its length.
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The figure illustrate how B , the flux density inside a sample of unmagnetised ferromagnetic material varies with B0 , the magnetic flux density in which the sample is kept. For the
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The figure illustrates how B the flux density inside a sample of unmagnetised ferromagnetic material varies with B0 the magnetic flux density in which the sample is kept For the sample to
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I have a bar magnet and an unmagnetized iron bar that appear identical. Using only those to objects, how do I determine which is the magnet and which the plain iron bar? -
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