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OpenStudy (anonymous):
Which of the following can increase the strength of the magnetic field? A. by increasing the size of the core B. by increasing the magnetic force C. by increasing the number of coils around the core D. by decreasing the number of coils around the core
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OpenStudy (anonymous):
Awarding medal.
OpenStudy (anonymous):
C. By increasing the number of coils around the core .
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