Why are the field lines inside a solenoid described as parallel straight lines?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) Because parallel lines show that the field varies greatly
2. (B) Because the magnetic field is the same at all points inside, showing uniformity
3. (C) Because the current rapidly changes direction
4. (D) Because the solenoid is very short in length

Verified Answer

Option (B): Because the magnetic field is the same at all points inside, showing uniformity

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