Single Answer MCQ
Q-00040505
What is the effect of reversing the current in a wire on its magnetic field?
1
It strengthens the field
2
It weakens the field
3
It reverses the direction of the field
4
It has no effect
Answer and Solution
Answer
C. It reverses the direction of the field
Solution:
Reversing the current will reverse the direction of the magnetic field produced by the wire. The other options misinterpret the relationship between current direction and field orientation.
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