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2 votes
What can be increased in order to increase the magnetic field?

The size of the iron core


The magnetic poles


The wire resistance


The current

2 Answers

5 votes
The third one i am not really really sure
answered
User Samec Hadra
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8.2k points
4 votes

The current. It is directly proportional to the magnetic field strengh.

answered
User Ken Benoit
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9.1k points

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