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  1. J

    Determining a value for the magnetic force constant (k)

    thank you, your answer was really helpful
  2. J

    Determining a value for the magnetic force constant (k)

    At school this is the basis of our Practical Test, how would you go about determining a value for the magnetic force constant (k) Aim: To make measurements of the deflection of a compass needle caused by nearby current carrying wire, to allow a rough estimate of the strength of the Earth's...
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