How does current and strength of electromagnet are related?
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Magneto Motive Force is expressed as a current, I flowing through a coil of N turns. The magnetic field strength of an electromagnet is therefore determined by the ampere turns of the coil with the more turns of wire in the coil the greater will be the strength of the magnetic field.
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Explanation:
should be simple to understand. (ii) It should be easy to calculate. (iii) It should be based on all the observations of the series. (iv) It should be rigidly define
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