Single Answer MCQ
Q-00001745
How does the direction of deflection of the needle change when the direction of current through the copper wire is reversed?
1
Remains the same
2
Reverses direction
3
Becomes erratic
4
Stops deflecting
Answer and Solution
Answer
B. Reverses direction
Solution:
When the direction of current through the copper wire is reversed, the direction of deflection of the needle also reverses. This behavior is consistent with the magnetic field produced by the current. Therefore, the correct answer is 'Reverses direction'.
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