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March 27, 2017

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There are four coils of wire being used as electromagnets. They all have the same size and are made up of the same material but have a different number of loops. Which coil will produce a magnetic field with the maximum strength when the same amount of current passes through all coils?
A. a coil having 10 loops
B. a coil having 25 loops
C. a coil having 30 loops
D. a coil having 45 loops
would it be D?

  • physics - ,

    yes

  • physics - ,

    thought so, thanks

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