Adding more turns will increase the electrical resistance of the winding, possibly reducing the current flowing through the winding if it is driven from a constant voltage source. However, the strength of an electromagnet is proportional to the number of turns times the current flowing through the winding (“ampere-turns”) until the core (if present) begins to saturate. So, adding more turns usually has the effect of increasing the strength off the associated magnetic.
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Answer:
Adding more turns will increase the electrical resistance of the winding, possibly reducing the current flowing through the winding if it is driven from a constant voltage source. However, the strength of an electromagnet is proportional to the number of turns times the current flowing through the winding (“ampere-turns”) until the core (if present) begins to saturate. So, adding more turns usually has the effect of increasing the strength off the associated magnetic.