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As you remove the resistors why does deflection of the compass decrease?

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As you remove the resistors why does deflection of the compass decrease?

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  1. As you remove resistors, the current increases, and so does the induced magnetic field. The deflection of the compass due to the Earth's magnetic field is smaller the stronger the induced magnetic field.


  2. If you remove resistors by shorting across them then the current will increase.

    If you remove resistors by opening them the current will decrease. This sounds like the situation that reduces the magnetic field to decrease the compass deflection.

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