Question:
The shape of magnetic field lines produced (i) inside a solenoid (ii) around a straight conductor, both carrying current of the same magnitude are, respectively :
The shape of magnetic field lines produced (i) inside a solenoid (ii) around a straight conductor, both carrying current of the same magnitude are, respectively :
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Remember: Solenoid = straight field lines inside; Straight wire = circular field lines around it.
Updated On: Jan 13, 2026
- (i) straight, (ii) circular
- (i) circular, (ii) circular
- (i) straight, (ii) straight
- (i) circular, (ii) straight
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The Correct Option is A
Solution and Explanation
(i) Inside a solenoid, the magnetic field lines are parallel and straight, indicating that the magnetic field is uniform inside the solenoid.
(ii) Around a straight current-carrying conductor, the magnetic field lines form concentric circles around the wire, as given by the right-hand thumb rule. Therefore, the correct shapes are: - Solenoid: straight field lines - Straight conductor: circular field lines So, the correct answer is (a) straight and circular.
(ii) Around a straight current-carrying conductor, the magnetic field lines form concentric circles around the wire, as given by the right-hand thumb rule. Therefore, the correct shapes are: - Solenoid: straight field lines - Straight conductor: circular field lines So, the correct answer is (a) straight and circular.
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