Single Answer MCQ
Q-00040520
If the direction of the magnetic field is reversed, what must happen to the direction of the current to keep the force direction unchanged?
1
Remain the same
2
Reverse
3
Double the current
4
Increase the voltage
Answer and Solution
Answer
B. Reverse
Solution:
To keep the force direction unchanged, the current must also be reversed, as both must maintain their relative directions.
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