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Question
Draw the pattern of magnetic field lines of a solenoid through which a steady current flows. What does the pattern of field lines inside the solenoid indicate?
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Solution
The pattern of magnetic field lines of a solenoid through which a steady current flows:
The pattern of magnetic field lines inside a current-carrying solenoid indicates that the magnetic field is uniform, i.e., strength of the magnetic field is the same, everywhere inside the solenoid.
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