A current in a wire increases from 2A to 6 A. How will the magnetic field 0.01 m from the wire change?
It increases to four times its original value.
It increases to three times its original value.
It decreases to one-fourth its original value.
It decreases to one-third its original value.
Answers: 3
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A current in a wire increases from 2A to 6 A. How will the magnetic field 0.01 m from the wire chang...
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