If current flows in the direction of the arrows in the solenoid above, the north pole is at
- P
- Y
- X
-
Q
The correct answer is: D
Explanation
In a solenoid, the north pole is determined using the right-hand grip rule: if the current flows in the direction of the arrows, the north pole is at the end where the thumb points when the fingers follow the current. Therefore, the north pole is at the end labeled Q.
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