The magnetic field inside a long straight solenoid-carrying current
- A. is zero
- B. decreases as we move towards its end
- C. increases as we move towards its end
- D. is uniform inside the solenoid ✓
Correct Answer: D. is uniform inside the solenoid
Explanation
The magnetic field inside a long, straight, current-carrying solenoid is essentially uniform and parallel to the axis of the solenoid.
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