How does the magnetic field inside a current-carrying solenoid behave?
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A.
It forms concentric circles around the solenoid.
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B.
It is non-uniform and varies in strength.
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C.
It consists of parallel straight lines, indicating uniformity.
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D.
It disappears when the current is switched on.
Correct Answer:
C. It consists of parallel straight lines, indicating uniformity.
Explanation:
Inside a current-carrying solenoid, the magnetic field is represented by parallel straight lines that run along the axis of the solenoid. This specific pattern indicates that the magnetic field is uniform in both magnitude and direction throughout the interior space. While the field outside the solenoid resembles that of a bar magnet and is non-uniform, the interior field remains consistent and strong, which is a fundamental property used in various electromagnetic applications. Therefore, the behavior of the magnetic field inside a solenoid is characterized by its uniformity and parallel alignment.
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